# Vitamin C and collagen peptide Page: https://lovi.care/skincare/es/ingredients/vitamin-c-and-collagen-peptide The Lovi Fit is the same in every country; only the stores and prices differ, and the ones here are for Spain. Keep them apart Apply [vitamin C](https://lovi.care/skincare/es/ingredients/vitamin-c) in the morning and [collagen peptides](https://lovi.care/skincare/es/ingredients/collagen-peptide) at night, because combining them directly causes the vitamin C to break down and become less effective. Vitamin C can oxidize when it mixes with [copper](https://lovi.care/skincare/es/ingredients/copper) and peptides, which lowers the results you see on your skin. To fix this, simply use them at different times of the day or wait longer between applications. [Microneedle-Mediated Delivery of Copper Peptide Through Skin](https://pubmed.ncbi.nlm.nih.gov/25690343/) - [All about vitamin C](https://lovi.care/skincare/es/ingredients/vitamin-c) - [All about collagen peptide](https://lovi.care/skincare/es/ingredients/collagen-peptide) ### [Vitamin C](https://lovi.care/skincare/es/ingredients/vitamin-c) products - [Olay Super Serum](https://lovi.care/skincare/es/p/olay/super-serum/for/dry-skin) — High fit — [€27.38 at Amazon](https://www.amazon.de/dp/B0FM8VTDXL?tag=lovi-care-web-product05-21&linkCode=osi&th=1&psc=1) - [Charlotte Tilbury Charlotte's Magic Cream](https://lovi.care/skincare/es/p/charlotte-tilbury/charlotte-s-magic-cream/for/mature-skin) — Superior fit — [€105.00 at Notino](https://www.notino.es/charlotte-tilbury/charlottes-magic-cream-crema-hidratante-y-reafirmante-spf-15/p-16318756/) - [RoC Retinol Correxion Deep Wrinkle Night Cream](https://lovi.care/skincare/es/p/roc/retinol-correxion-deep-wrinkle-night-cream/for/dark-spots) — High fit — [€33.98 at Amazon](https://www.amazon.de/dp/B0GXBBV93V?tag=lovi-care-web-product05-21&linkCode=osi&th=1&psc=1) - [Paula's Choice 1% Retinol Treatment](https://lovi.care/skincare/es/p/paula-s-choice/1-retinol-treatment/for/dark-spots) — Superior fit — [€57.00 at Amazon](https://www.amazon.de/dp/B07P6M914G?tag=lovi-care-web-product05-21&linkCode=osi&th=1&psc=1) - [Summer Fridays Jet Lag Mask](https://lovi.care/skincare/es/p/summer-fridays/jet-lag-mask/for/dry-skin) — High fit - [Mad Hippie Vitamin C Serum](https://lovi.care/skincare/es/p/mad-hippie/vitamin-c-serum/for/dry-skin) — High fit - [Eve Lom Renewal Treatment Oil](https://lovi.care/skincare/es/p/eve-lom/renewal-treatment-oil/for/dry-sensitive-skin) — High fit - [ZO Skin Health Exfoliating Polish](https://lovi.care/skincare/es/p/zo-skin-health/exfoliating-polish/for/mature-skin) — High fit - [CeraVe Skin Renewing Vitamin C Serum](https://lovi.care/skincare/es/p/cerave/skin-renewing-vitamin-c-serum/for/acne-prone-skin) — High fit — [€25.85 at Amazon](https://www.amazon.de/dp/B0F1FZMM8T?tag=lovi-care-web-product05-21&linkCode=osi&th=1&psc=1) - [Eucerin Anti-Pigment Dual Serum](https://lovi.care/skincare/es/p/eucerin/anti-pigment-dual-serum/for/oily-skin) — Average fit — [€34.99 at Amazon](https://www.amazon.de/dp/B07P6NSDHL?tag=lovi-care-web-product05-21&linkCode=osi&th=1&psc=1) - [RoC Retinol Correxion Deep Wrinkle Serum](https://lovi.care/skincare/es/p/roc/retinol-correxion-deep-wrinkle-serum/for/oily-skin) — Average fit — [€30.97 at Amazon](https://www.amazon.de/dp/B0GQZ5J61H?tag=lovi-care-web-product05-21&linkCode=osi&th=1&psc=1) - [iS Clinical Cleansing Complex](https://lovi.care/skincare/es/p/is-clinical/cleansing-complex/for/oily-acne-prone-skin) — Superior fit ### [Collagen peptide](https://lovi.care/skincare/es/ingredients/collagen-peptide) products - [SkinMedica TNS Advanced+ Serum](https://lovi.care/skincare/es/p/skinmedica/tns-advanced-serum/for/mature-skin) — High fit - [Hero Mighty Patch](https://lovi.care/skincare/es/p/hero/mighty-patch/for/sensitive-skin) — High fit - [The INKEY List Collagen Peptide Serum](https://lovi.care/skincare/es/p/the-inkey-list/collagen-peptide-serum/for/dry-sensitive-skin) — High fit - [Olay Regenerist Collagen Peptide 24 Serum](https://lovi.care/skincare/es/p/olay-regenerist/collagen-peptide-24-serum/for/dry-skin) — High fit - [No7 Pure Retinol 1% Night Concentrate](https://lovi.care/skincare/es/p/no7/pure-retinol-1-night-concentrate/for/combination-skin) — High fit - [No7 Protect & Perfect Intense Advanced Night Cream](https://lovi.care/skincare/es/p/no7/protect-and-perfect-intense-advanced-night-cream/for/mature-skin) — Superior fit - [Olay Regenerist Collagen Peptide 24 MAX Face Moisturizer](https://lovi.care/skincare/es/p/olay/regenerist-collagen-peptide-24-max-face-moisturizer/for/dry-skin) — High fit — [€21.78 at Amazon](https://www.amazon.de/dp/B08WX8FH85?tag=lovi-care-web-product05-21&linkCode=osi&th=1&psc=1) - [No.7 Pure Retinol 0.3% Night Concentrate](https://lovi.care/skincare/es/p/no-7/pure-retinol-0-3-night-concentrate/for/dark-spots) — High fit - [Olay Collagen Peptide 24 Eye Cream](https://lovi.care/skincare/es/p/olay/collagen-peptide-24-eye-cream/for/mature-skin) — Superior fit ## Questions and answers ### Can you use vitamin C and collagen peptide together? Keep [vitamin C](https://lovi.care/skincare/es/ingredients/vitamin-c) and [collagen peptide](https://lovi.care/skincare/es/ingredients/collagen-peptide) apart, using them in separate routines to prevent [copper](https://lovi.care/skincare/es/ingredients/copper) ions from oxidizing the vitamin C and reducing peptide efficacy. ### Which goes first, vitamin C or collagen peptide? Keep vitamin C and collagen peptide apart by using them in separate routines, because copper acts as an oxidation catalyst that may reduce peptide efficacy. ### Are vitamin C and collagen peptide good for sensitive skin? Keep vitamin C and collagen peptide apart in your routine, because combining them may reduce their effectiveness on sensitive skin. ## Research on vitamin C and collagen peptide - [Topical ascorbic acid on photoaged skin. Clinical, topographical and ultrastructural evaluation: double-blind study vs. placebo](https://pubmed.ncbi.nlm.nih.gov/12823436/) Vitamin C · Experimental Dermatology, 2003 - [Anti-aging and brightening effects of a topical treatment containing vitamin C, vitamin E, and raspberry leaf cell culture extract: A split-face, randomized controlled trial](https://pubmed.ncbi.nlm.nih.gov/31975502/) Vitamin C · Journal of Cosmetic Dermatology, 2020 - [Stability, transdermal penetration, and cutaneous effects of ascorbic acid and its derivatives](https://pubmed.ncbi.nlm.nih.gov/23174055/) Vitamin C · Journal of Cosmetic Dermatology, 2012 - [Effects of ascorbic acid on gingival melanin pigmentation in vitro and in vivo](https://pubmed.ncbi.nlm.nih.gov/19186973/) Vitamin C · Journal of Periodontology, 2009 - [Vitamin C mesotherapy versus topical application for gingival hyperpigmentation: a clinical and histopathological study](https://pubmed.ncbi.nlm.nih.gov/33966113/) Vitamin C · Clinical Oral Investigations, 2021 - [Skin moisturizing effect and skin penetration of ascorbyl palmitate entrapped in solid lipid nanoparticles (SLN) and nanostructured lipid carriers (NLC) incorporated into hydrogel](https://pubmed.ncbi.nlm.nih.gov/16259122/) Vitamin C · Die Pharmazie, 2005 - [Two superior antioxidants: Ferulic acid and ascorbic acid in reducing signs of photoaging-A split-face comparative study](https://pubmed.ncbi.nlm.nih.gov/34877760/) Vitamin C · Dermatologic Therapy, 2022 - [Ascorbic Acid Treatments as Effective and Safe Anti-Aging Therapies for Sensitive Skin](https://pubmed.ncbi.nlm.nih.gov/38397772/) Vitamin C · Antioxidants, 2024 - [Collagen peptides affect collagen synthesis and the expression of collagen, elastin, and versican genes in cultured human dermal fibroblasts](https://pubmed.ncbi.nlm.nih.gov/38751975/) Collagen peptide · Frontiers in Medicine, 2024 - [Hydrolyzed Collagen Induces an Anti-Inflammatory Response That Induces Proliferation of Skin Fibroblast and Keratinocytes](https://pubmed.ncbi.nlm.nih.gov/36501011/) Collagen peptide · Nutrients, 2022 - [Clinical evidence of the efficacy and safety of a new 3-in-1 anti-aging topical night serum-in-oil containing melatonin, bakuchiol, and ascorbyl tetraisopalmitate: 103 females treated from 28 to 84 days](https://pubmed.ncbi.nlm.nih.gov/30924254/) Vitamin C · Journal of Cosmetic Dermatology, 2019 - [Comparison of clinical efficacies of sodium ascorbyl phosphate, retinol and their combination in acne treatment](https://pubmed.ncbi.nlm.nih.gov/19134126/) Vitamin C · International Journal of Cosmetic Science, 2009 - [Antioxidant-based topical formulations influence on the inflammatory response of Japanese skin: A clinical study using non-invasive techniques](https://pubmed.ncbi.nlm.nih.gov/28385617/) Vitamin C · European Journal of Pharmaceutics and Biopharmaceutics, 2017 - [Efficacy of cosmetic formulations containing dispersion of liposome with magnesium ascorbyl phosphate, alpha-lipoic acid and kinetin](https://pubmed.ncbi.nlm.nih.gov/22236139/) Vitamin C · Photochemistry and Photobiology, 2012 - [Derivatives of L-Ascorbic Acid in Emulgel: Development and Comprehensive Evaluation of the Topical Delivery System](https://pubmed.ncbi.nlm.nih.gov/36986679/) Vitamin C · Pharmaceutics, 2023 - [Assessment of Combined Ascorbyl Palmitate (AP) and Sodium Ascorbyl Phosphate (SAP) on Facial Skin Sebum Control in Female Healthy Volunteers](https://pubmed.ncbi.nlm.nih.gov/27756097/) Vitamin C · Drug Research, 2017 - [Clinical Development and Evaluation of a Multi-Component Dissolving Microneedle Patch for Skin Pigmentation Disorders](https://pubmed.ncbi.nlm.nih.gov/37571190/) Vitamin C · Polymers, 2023 - [Formulation of Ascorbic Acid and Betaine-based Therapeutic Deep Eutectic System for Enhanced Transdermal Delivery of Ascorbic Acid](https://pubmed.ncbi.nlm.nih.gov/38794349/) Vitamin C · Pharmaceutics, 2024 - [Efficacy of ethyl ascorbyl ether-containing cosmetic cream on blue light-induced skin changes](https://pubmed.ncbi.nlm.nih.gov/34002928/) Vitamin C · Journal of Cosmetic Dermatology, 2022 - [Comparative physicochemical stability and clinical anti-wrinkle efficacy of transdermal emulgel preparations of 5% sodium ascorbyl phosphate and or ascorbic acid on human volunteers](https://pubmed.ncbi.nlm.nih.gov/32383548/) Vitamin C · Journal of Cosmetic Dermatology, 2021 - [Topical prevention from high energy visible light-induced pigmentation by 2-mercaptonicotinoyl glycine, but not by ascorbic acid antioxidant: 2 randomized controlled trials](https://pubmed.ncbi.nlm.nih.gov/41142247/) Vitamin C · Frontiers in Pharmacology, 2025 - [Antioxidant and membrane-protective effects of the 3-O-ethyl ascorbic acid-cannabigerol system on UVB-irradiated human keratinocytes](https://pubmed.ncbi.nlm.nih.gov/39778604/) Vitamin C · Free Radical Biology & Medicine, 2025 - [Modulation of skin pigmentation by the tetrapeptide PKEK: in vitro and in vivo evidence for skin whitening effects](https://pubmed.ncbi.nlm.nih.gov/22142309/) Vitamin C · Experimental Dermatology, 2012 - [Moisturizing potentials of ascorbyl palmitate and calcium ascorbate in various topical formulations](https://pubmed.ncbi.nlm.nih.gov/18494922/) Vitamin C · International Journal of Cosmetic Science, 2004 - [Thermostable hyaluronic acid-based dissolving microneedles with high-loading capacity: design, optimization, and transdermal delivery of anti-aging ingredients](https://pubmed.ncbi.nlm.nih.gov/41628877/) Vitamin C · International Journal of Biological Macromolecules, 2026 - [Liposomal formulation of a vitamin C derivative: a promising strategy to increase skin permeability](https://pubmed.ncbi.nlm.nih.gov/39985147/) Vitamin C · Journal of Liposome Research, 2025 - [Treatment with Ascorbyl Glucoside-Arginine Complex Ameliorates Solar Lentigos](https://pubmed.ncbi.nlm.nih.gov/39769217/) Vitamin C · International Journal of Molecular Sciences, 2024 - [Open-label topical application of tetrahexyldecyl ascorbate and acetyl zingerone containing serum improves the appearance of photoaging and uneven pigmentation](https://pubmed.ncbi.nlm.nih.gov/38634176/) Vitamin C · Journal of Cosmetic Dermatology, 2024 - [Clinical Efficacy of Topical Ascorbic Acid 2-Glucoside in Enhancing Outcomes of Laser Gingival Depigmentation: A Randomized Controlled Trial](https://pubmed.ncbi.nlm.nih.gov/42147661/) Vitamin C · Cureus, 2026 ## Other combinations - Keep them apart: [Vitamin C and salicylic acid](https://lovi.care/skincare/es/ingredients/vitamin-c-and-salicylic-acid) - Keep them apart: [Vitamin C and retinol](https://lovi.care/skincare/es/ingredients/vitamin-c-and-retinol) - Keep them apart: [Adapalene and collagen peptide](https://lovi.care/skincare/es/ingredients/adapalene-and-collagen-peptide) - Keep them apart: [Granactive retinoid and collagen peptide](https://lovi.care/skincare/es/ingredients/granactive-retinoid-and-collagen-peptide) - Keep them apart: [Hydroxypinacolone retinoate and collagen peptide](https://lovi.care/skincare/es/ingredients/hydroxypinacolone-retinoate-and-collagen-peptide) - Keep them apart: [Pro-retinol and collagen peptide](https://lovi.care/skincare/es/ingredients/pro-retinol-and-collagen-peptide) - Keep them apart: [Retinal and collagen peptide](https://lovi.care/skincare/es/ingredients/retinal-and-collagen-peptide) - Keep them apart: [Retinoid blend and collagen peptide](https://lovi.care/skincare/es/ingredients/retinoid-blend-and-collagen-peptide) - Depends on the strength: [Retinol and collagen peptide](https://lovi.care/skincare/es/ingredients/retinol-and-collagen-peptide) - Keep them apart: [Tretinoin and collagen peptide](https://lovi.care/skincare/es/ingredients/tretinoin-and-collagen-peptide) - Keep them apart: [Vitamin A and collagen peptide](https://lovi.care/skincare/es/ingredients/vitamin-a-and-collagen-peptide) - Work well together: [Liposome and collagen peptide](https://lovi.care/skincare/es/ingredients/liposome-and-collagen-peptide) - Work well together: [Microcapsule and collagen peptide](https://lovi.care/skincare/es/ingredients/microcapsule-and-collagen-peptide) - Depends on the strength: [Vitamin C and acetyl hexapeptide-3](https://lovi.care/skincare/es/ingredients/vitamin-c-and-acetyl-hexapeptide-3) - Keep them apart: [Vitamin C and bio-placenta peptides](https://lovi.care/skincare/es/ingredients/vitamin-c-and-bio-placenta-peptides) - Keep them apart: [Vitamin C and copper](https://lovi.care/skincare/es/ingredients/vitamin-c-and-copper) - Keep them apart: [Vitamin C and copper complex](https://lovi.care/skincare/es/ingredients/vitamin-c-and-copper-complex) - Keep them apart: [Vitamin C and copper peptide](https://lovi.care/skincare/es/ingredients/vitamin-c-and-copper-peptide) - Depends on the strength: [Vitamin C and hexapeptide](https://lovi.care/skincare/es/ingredients/vitamin-c-and-hexapeptide) - Depends on the strength: [Vitamin C and hexapeptide-9](https://lovi.care/skincare/es/ingredients/vitamin-c-and-hexapeptide-9) - Depends on the strength: [Vitamin C and palmitoyl pentapeptide-4](https://lovi.care/skincare/es/ingredients/vitamin-c-and-palmitoyl-pentapeptide-4) - Depends on the strength: [Vitamin C and palmitoyl tripeptide-1](https://lovi.care/skincare/es/ingredients/vitamin-c-and-palmitoyl-tripeptide-1) - Keep them apart: [Vitamin C and peptide-rich plasma](https://lovi.care/skincare/es/ingredients/vitamin-c-and-peptide-rich-plasma) - Keep them apart: [Vitamin C and triple peptide blend](https://lovi.care/skincare/es/ingredients/vitamin-c-and-triple-peptide-blend) - Work well together: [Collagen peptide and betaine](https://lovi.care/skincare/es/ingredients/collagen-peptide-and-betaine) - Work well together: [Glycerin and collagen peptide](https://lovi.care/skincare/es/ingredients/glycerin-and-collagen-peptide) - Work well together: [Hyaluronic acid and collagen peptide](https://lovi.care/skincare/es/ingredients/hyaluronic-acid-and-collagen-peptide) - Depends on the strength: [Niacinamide and collagen peptide](https://lovi.care/skincare/es/ingredients/niacinamide-and-collagen-peptide) - Work well together: [Panthenol and collagen peptide](https://lovi.care/skincare/es/ingredients/panthenol-and-collagen-peptide) - Work well together: [Bakuchiol and collagen peptide](https://lovi.care/skincare/es/ingredients/bakuchiol-and-collagen-peptide) - Keep them apart: [Benzoyl peroxide and vitamin C](https://lovi.care/skincare/es/ingredients/benzoyl-peroxide-and-vitamin-c) - Work well together: [Arginine and collagen peptide](https://lovi.care/skincare/es/ingredients/arginine-and-collagen-peptide) - Work well together: [Collagen peptide and GABA](https://lovi.care/skincare/es/ingredients/collagen-peptide-and-gaba) - Work well together: [Silk amino acids and collagen peptide](https://lovi.care/skincare/es/ingredients/silk-amino-acids-and-collagen-peptide) - Work well together: [Taurine and collagen peptide](https://lovi.care/skincare/es/ingredients/taurine-and-collagen-peptide) - Work well together: [Collagen peptide and theanine](https://lovi.care/skincare/es/ingredients/collagen-peptide-and-theanine) - Keep them apart: [AHA blend glycolic and citric acids and collagen peptide](https://lovi.care/skincare/es/ingredients/aha-blend-glycolic-and-citric-acids-and-collagen-peptide) - Keep them apart: [Collagen peptide and citric acid](https://lovi.care/skincare/es/ingredients/collagen-peptide-and-citric-acid) - Keep them apart: [Glycolic acid and collagen peptide](https://lovi.care/skincare/es/ingredients/glycolic-acid-and-collagen-peptide) - Keep them apart: [Lactic acid and collagen peptide](https://lovi.care/skincare/es/ingredients/lactic-acid-and-collagen-peptide) - Keep them apart: [Mandelic acid and collagen peptide](https://lovi.care/skincare/es/ingredients/mandelic-acid-and-collagen-peptide) - Work well together: [Coenzyme Q10 and collagen peptide](https://lovi.care/skincare/es/ingredients/coenzyme-q10-and-collagen-peptide) - Work well together: [Green tea and collagen peptide](https://lovi.care/skincare/es/ingredients/green-tea-and-collagen-peptide) - Work well together: [Vitamin E and collagen peptide](https://lovi.care/skincare/es/ingredients/vitamin-e-and-collagen-peptide) - Work well together: [Collagen peptide and beta-sitosterol](https://lovi.care/skincare/es/ingredients/collagen-peptide-and-beta-sitosterol) - Work well together: [Ceramide-building complex and collagen peptide](https://lovi.care/skincare/es/ingredients/ceramide-building-complex-and-collagen-peptide) - Work well together: [Cholesterol and collagen peptide](https://lovi.care/skincare/es/ingredients/cholesterol-and-collagen-peptide) - Work well together: [Collagen peptide and phytosphingosine](https://lovi.care/skincare/es/ingredients/collagen-peptide-and-phytosphingosine) - Work well together: [Collagen peptide and phytosterol](https://lovi.care/skincare/es/ingredients/collagen-peptide-and-phytosterol) - Work well together: [Collagen peptide and squalene](https://lovi.care/skincare/es/ingredients/collagen-peptide-and-squalene) - Work well together: [Collagen peptide and tri-ceramide complex](https://lovi.care/skincare/es/ingredients/collagen-peptide-and-tri-ceramide-complex) - Work well together: [Vitamin C and gluconolactone](https://lovi.care/skincare/es/ingredients/vitamin-c-and-gluconolactone) - Work well together: [Vitamin C and lactobionic acid](https://lovi.care/skincare/es/ingredients/vitamin-c-and-lactobionic-acid) - Keep them apart: [Salicylic acid and collagen peptide](https://lovi.care/skincare/es/ingredients/salicylic-acid-and-collagen-peptide) - Keep them apart: [Adapalene and vitamin C](https://lovi.care/skincare/es/ingredients/adapalene-and-vitamin-c) - Keep them apart: [Vitamin C and granactive retinoid](https://lovi.care/skincare/es/ingredients/vitamin-c-and-granactive-retinoid) - Keep them apart: [Vitamin C and hydroxypinacolone retinoate](https://lovi.care/skincare/es/ingredients/vitamin-c-and-hydroxypinacolone-retinoate) - Keep them apart: [Vitamin C and pro-retinol](https://lovi.care/skincare/es/ingredients/vitamin-c-and-pro-retinol) - Keep them apart: [Vitamin C and retinal](https://lovi.care/skincare/es/ingredients/vitamin-c-and-retinal) - Keep them apart: [Vitamin C and retinoid blend](https://lovi.care/skincare/es/ingredients/vitamin-c-and-retinoid-blend) - Keep them apart: [Vitamin C and tretinoin](https://lovi.care/skincare/es/ingredients/vitamin-c-and-tretinoin) - Keep them apart: [Collagen peptide and baking soda](https://lovi.care/skincare/es/ingredients/collagen-peptide-and-baking-soda) - Keep them apart: [Bleach and collagen peptide](https://lovi.care/skincare/es/ingredients/bleach-and-collagen-peptide) - Keep them apart: [Potassium hydroxide and collagen peptide](https://lovi.care/skincare/es/ingredients/potassium-hydroxide-and-collagen-peptide) - Work well together: [Vitamin C and baicalin](https://lovi.care/skincare/es/ingredients/vitamin-c-and-baicalin) - Work well together: [Vitamin C and caffeic acid](https://lovi.care/skincare/es/ingredients/vitamin-c-and-caffeic-acid) - Work well together: [Vitamin C and chrysin](https://lovi.care/skincare/es/ingredients/vitamin-c-and-chrysin) - Work well together: [Vitamin C and ellagic acid](https://lovi.care/skincare/es/ingredients/vitamin-c-and-ellagic-acid) - Work well together: [Vitamin C and ferulic acid](https://lovi.care/skincare/es/ingredients/vitamin-c-and-ferulic-acid) - Work well together: [Vitamin C and hesperidin](https://lovi.care/skincare/es/ingredients/vitamin-c-and-hesperidin) - Work well together: [Vitamin C and oxyresveratrol](https://lovi.care/skincare/es/ingredients/vitamin-c-and-oxyresveratrol) - Work well together: [Vitamin C and phloretin](https://lovi.care/skincare/es/ingredients/vitamin-c-and-phloretin) - Work well together: [Vitamin C and pterostilbene](https://lovi.care/skincare/es/ingredients/vitamin-c-and-pterostilbene) - Work well together: [Vitamin C and resveratrol](https://lovi.care/skincare/es/ingredients/vitamin-c-and-resveratrol) - Work well together: [Vitamin C and rutin](https://lovi.care/skincare/es/ingredients/vitamin-c-and-rutin) - Work well together: [Vitamin C and silymarin](https://lovi.care/skincare/es/ingredients/vitamin-c-and-silymarin) - Work well together: [Vitamin C and troxerutin](https://lovi.care/skincare/es/ingredients/vitamin-c-and-troxerutin) - Keep them apart: [Collagen peptide and behenyl alcohol](https://lovi.care/skincare/es/ingredients/collagen-peptide-and-behenyl-alcohol) - Keep them apart: [Collagen peptide and isopropyl alcohol](https://lovi.care/skincare/es/ingredients/collagen-peptide-and-isopropyl-alcohol) - Keep them apart: [Polyvinyl alcohol and collagen peptide](https://lovi.care/skincare/es/ingredients/polyvinyl-alcohol-and-collagen-peptide) - Keep them apart: [Copper and collagen peptide](https://lovi.care/skincare/es/ingredients/copper-and-collagen-peptide) - Keep them apart: [Vitamin C and behenyl alcohol](https://lovi.care/skincare/es/ingredients/vitamin-c-and-behenyl-alcohol) - Keep them apart: [Vitamin C and isopropyl alcohol](https://lovi.care/skincare/es/ingredients/vitamin-c-and-isopropyl-alcohol) - Keep them apart: [Vitamin C and polyvinyl alcohol](https://lovi.care/skincare/es/ingredients/vitamin-c-and-polyvinyl-alcohol) - Keep them apart: [Magnesium and collagen peptide](https://lovi.care/skincare/es/ingredients/magnesium-and-collagen-peptide) - Keep them apart: [Zinc and collagen peptide](https://lovi.care/skincare/es/ingredients/zinc-and-collagen-peptide) - Keep them apart: [Zinc sulfate and collagen peptide](https://lovi.care/skincare/es/ingredients/zinc-sulfate-and-collagen-peptide) - Keep them apart: [Benzoyl peroxide and collagen peptide](https://lovi.care/skincare/es/ingredients/benzoyl-peroxide-and-collagen-peptide) - Work well together: [Vitamin C and hyaluronic acid](https://lovi.care/skincare/es/ingredients/vitamin-c-and-hyaluronic-acid) - Keep them apart: [Vitamin C and baking soda](https://lovi.care/skincare/es/ingredients/vitamin-c-and-baking-soda) - Keep them apart: [Vitamin C and bleach](https://lovi.care/skincare/es/ingredients/vitamin-c-and-bleach) - Keep them apart: [Vitamin C and potassium hydroxide](https://lovi.care/skincare/es/ingredients/vitamin-c-and-potassium-hydroxide) - Keep them apart: [Vitamin C and tromethamine](https://lovi.care/skincare/es/ingredients/vitamin-c-and-tromethamine) - Work well together: [Vitamin C and vitamin E](https://lovi.care/skincare/es/ingredients/vitamin-c-and-vitamin-e) - Keep them apart: [Azelaic acid and collagen peptide](https://lovi.care/skincare/es/ingredients/azelaic-acid-and-collagen-peptide) - Keep them apart: [Collagen peptide and protease](https://lovi.care/skincare/es/ingredients/collagen-peptide-and-protease) - Keep them apart: [Superoxide dismutase and collagen peptide](https://lovi.care/skincare/es/ingredients/superoxide-dismutase-and-collagen-peptide) ## About the Lovi Fit Lovi: Unbiased, science-based skincare AI trained on real user outcomes. Lovi checks every pairing with brand-independent rules its dermatologists and cosmetic chemists build and review, and personalizes every pick with AI trained on the real results of millions of users. Lovi trains its fit score models on a proprietary dataset built from more than 10,000 expert-labeled products and more than 100,000 simulated examples, following an internally consistent methodology presented at Cosmoprof, AMWC, and Skin of Color Update. Levels from best to worst: Superior, High, Average, Low, Caution, Warning. Behind this pairing advice: Nadia Kapleva, MS (Co-founder, Medical Director); Alexey Shagraev, PhD (Co-founder, CEO and CTO); Dr. Sofía Perea Pérez, MD, MSc (Medical Board); Aishani Shah, MD (Medical Board); Asya Zubkova, MS (Medical Board); Hanna Kurets, MD (Medical Board, Medical Advisor); Elina Nazarenko, MD (Medical Board); Victoria Derkova, MS (Medical Board). Page built Nov 8, 2026. More from Lovi: https://lovi.care/skincare/llms.txt ## This page in other countries - United States: https://lovi.care/skincare/ingredients/vitamin-c-and-collagen-peptide - United Kingdom: https://lovi.care/skincare/uk/ingredients/vitamin-c-and-collagen-peptide - Ireland: https://lovi.care/skincare/ie/ingredients/vitamin-c-and-collagen-peptide - Germany: https://lovi.care/skincare/de/ingredients/vitamin-c-and-collagen-peptide - France: https://lovi.care/skincare/fr/ingredients/vitamin-c-and-collagen-peptide - Italy: https://lovi.care/skincare/it/ingredients/vitamin-c-and-collagen-peptide - Netherlands: https://lovi.care/skincare/nl/ingredients/vitamin-c-and-collagen-peptide - Spain: https://lovi.care/skincare/es/ingredients/vitamin-c-and-collagen-peptide (this page) - Canada: https://lovi.care/skincare/ca/ingredients/vitamin-c-and-collagen-peptide - Australia: https://lovi.care/skincare/au/ingredients/vitamin-c-and-collagen-peptide - Singapore: https://lovi.care/skincare/sg/ingredients/vitamin-c-and-collagen-peptide - Saudi Arabia: https://lovi.care/skincare/sa/ingredients/vitamin-c-and-collagen-peptide - United Arab Emirates: https://lovi.care/skincare/ae/ingredients/vitamin-c-and-collagen-peptide