# NEOCUTIS Bio Serum Firm for skin with dark spots

**Lovi Fit: High fit for skin with dark spots.**
Normal Skin Fit: High · Effectiveness: High · Safety: Excellent.

Page: https://lovi.care/skincare/it/p/neocutis/bio-serum-firm/for/dark-spots

The Lovi Fit is the same in every country; only the stores and prices differ, and the ones here are for Italy.

Brand: [NEOCUTIS](https://lovi.care/skincare/it/brands/neocutis)
Category: [Serums and treatments](https://lovi.care/skincare/it/best/serums)

This fit is calculated for the concerns frequently associated with dark spots: hyperpigmentation, sun spots, and uneven skin tone. For scores based on a full skin profile (12D face scan, goals, preferences), use the Lovi app.

A great choice for skin with dark spots; a few serums fit it even better.

## Why this fit

- Highly suitable for your normal skin, this serum effectively addresses pigmentation and general skin health with Aminopropyl Ascorbyl Phosphate and Tetrapeptide-21, providing antioxidant and collagen-boosting effects.
- The formula's peptides, Tetrapeptide-21 and Palmitoyl Tripeptide-1 Acetate, offer excellent firming and plumping benefits, further enhancing your skin's overall appearance.
- The safety profile is excellent, with Glycerin and Sodium Hyaluronate ensuring hydration and soothing properties without any risk of irritation for your normal skin.

## Fit by skin type

- [Oily skin](https://lovi.care/skincare/it/p/neocutis/bio-serum-firm/for/oily-skin): Average
- [Dry skin](https://lovi.care/skincare/it/p/neocutis/bio-serum-firm/for/dry-skin): High
- [Combination skin](https://lovi.care/skincare/it/p/neocutis/bio-serum-firm/for/combination-skin): High
- [Sensitive skin](https://lovi.care/skincare/it/p/neocutis/bio-serum-firm/for/sensitive-skin): High
- [Acne-prone skin](https://lovi.care/skincare/it/p/neocutis/bio-serum-firm/for/acne-prone-skin): Average
- [Skin with dark spots](https://lovi.care/skincare/it/p/neocutis/bio-serum-firm/for/dark-spots): High (this page)
- [Mature skin](https://lovi.care/skincare/it/p/neocutis/bio-serum-firm/for/mature-skin): High
- [Dry sensitive skin](https://lovi.care/skincare/it/p/neocutis/bio-serum-firm/for/dry-sensitive-skin): High
- [Oily acne-prone skin](https://lovi.care/skincare/it/p/neocutis/bio-serum-firm/for/oily-acne-prone-skin): Average

## Key ingredients

Rejuvenating Growth Factor, Peptides, Sodium Hyaluronate, Acetyl Glucosamine, Aminopropyl Ascorbyl Phosphate

## What the research says

- Chronomodulated daytime application of baicalin and nighttime application of palmitoyl tripeptide-1 synergistically improved skin luminance by 16.29%, nasolabial fold depth by -36.35%, and firmness by 24.35% in 30 female participants. ([Journal of Cosmetic Dermatology, 2026](https://pubmed.ncbi.nlm.nih.gov/41527525/))
- A multi-modal methodology combining MALDI-MSI, in vivo RCM, echography, and histology revealed age-related decreases in extracellular matrix and epidermal-dermal junction proteins and undulation depth, while a blend of palmitoyl oligopeptide and palmitoyl tetrapeptide-7 improved subepidermal low-echogenic band thickness, density, and extracellular matrix structure compared to placebo. ([Journal of Cosmetic Dermatology, 2015](https://pubmed.ncbi.nlm.nih.gov/25817264/))
- Palmitoyl tetrapeptide-7, acetyl hexapeptide-8, palmitoyl tripeptide-1, and palmitoyl tetrapeptide-10 significantly increased type III collagen levels in human dermal fibroblasts following UV exposure, with their combination demonstrating a greater effect in vitro and enhancing type I, III, and IV collagen levels in ex vivo skin tissues compared to individual components. ([International Journal of Cosmetic Science, 2026](https://pubmed.ncbi.nlm.nih.gov/42683869/))
- A single application of a moisturizing fluid containing hyaluronic acid 1%, glycerin 5%, and Centella asiatica stem cells extract significantly increased skin hydration by 29% and reduced transepidermal water loss at 24 hours compared to baseline and an untreated control site in twenty healthy women. ([Clinical, Cosmetic and Investigational Dermatology, 2017](https://pubmed.ncbi.nlm.nih.gov/28860834/))
- Topical application of 0.1% hyaluronic acid formulations of different molecular weights led to significant improvements in skin hydration and elasticity, with low-molecular-weight formulations also significantly reducing wrinkle depth in seventy-six female subjects compared to a vehicle control. ([Journal of Drugs in Dermatology, 2011](https://pubmed.ncbi.nlm.nih.gov/22052267/))
- Topical application of hyaluronic acid in conjunction with free gingival graft significantly reduced donor site postoperative pain until day 7 compared to normal saline, with no significant differences in graft dimensions or patient satisfaction. ([Clinical Oral Investigations, 2022](https://pubmed.ncbi.nlm.nih.gov/34623507/))
- Treatment with a hyaluronic acid-containing mouth rinse or topical gel led to significant lesion reduction, pain relief, and normalization of lesion color in adult patients with minor recurrent aphthous stomatitis, with the gel formulation showing an earlier healing onset at 3 days. ([BMC Oral Health, 2019](https://pubmed.ncbi.nlm.nih.gov/31311529/))
- Topical 2% N-acetyl glucosamine reduced facial hyperpigmentation in an 8-week split-face clinical test, with an even greater effect observed when combined with 4% niacinamide. ([Journal of Cosmetic Dermatology, 2007](https://pubmed.ncbi.nlm.nih.gov/17348991/))
- N-acetyl-glucosamine-loaded nanostructured lipid carriers successfully delivered the hydrophilic agent through the skin and reduced melanin distribution in healthy volunteers. ([Advanced Pharmaceutical Bulletin, 2016](https://pubmed.ncbi.nlm.nih.gov/28101465/))
- Topical cosmetic products containing hyaluronic acid, N-acetyl glucosamine, and gamma-amino butyric acid improved skin hydration by 24.28% to 33.60%, elasticity by 11.98%, and skin lightening by 5.26% over 2 months in 20 female participants. ([Journal of Cosmetic and Laser Therapy, 2019](https://pubmed.ncbi.nlm.nih.gov/30040516/))
- Topical application of 5% vitamin C cream significantly improved global clinical scores, increased skin microrelief density, and induced elastic tissue repair in photoaged skin compared to excipient control in healthy female volunteers. ([Experimental Dermatology, 2003](https://pubmed.ncbi.nlm.nih.gov/12823436/))
- Ascorbic acid 2-glucoside gel significantly reduced gingival melanin pigmentation after 4 weeks compared to placebo in 73 subjects with symmetric pigmentation. ([Journal of Periodontology, 2009](https://pubmed.ncbi.nlm.nih.gov/19186973/))
- Topical application of VC-IP cream twice daily for 8 weeks reduces periorbital wrinkles in female subjects compared to a placebo cream. ([Journal of Cosmetic Dermatology, 2022](https://pubmed.ncbi.nlm.nih.gov/34910367/))

## What reviewers say

Users frequently report significant improvements in skin texture and hydration, with many experiencing smoother skin and a reduction in fine lines and increased firmness within the first week. The product is also often praised for its hydrating and plumping effects, leaving skin with a dewy glow and appearing more radiant. While a substantial number of users find the anti-aging results to be worth the cost, the high price point is a commonly mentioned drawback.

- Disliked: High price (mostly mentioned)
- Liked: Hydrating and Plumping (often mentioned)
- Liked: Improves Skin Texture (often mentioned)
- Liked: Reduces Fine Lines (often mentioned)
- Liked: Fast Results (sometimes noted)
- Liked: Gentle on Skin (sometimes noted)
- Disliked: Irritation/Reactions (rarely noted)
- Disliked: Lack of Results (rarely noted)
- Disliked: Product Pilling (rarely noted)

## How to apply

- Apply this serum as part of your PM routine starting 3x/week and build up to daily use if your skin likes it.
- Place the serum after cleansing and toning, but before your moisturizer.
- Gently press 2-3 drops of the serum into your skin and wait a minute for it to absorb.
- Apply the serum on dry skin to help fade pigmentation effectively.
- Avoid the eye area and always use SPF 30+ during the day.
- Video: https://storage.pora.ai/c879dda8655a61c19d3d8c9ebad6b06d.mp4

## Questions and answers

### What makes Neocutis Bio Serum Firm a great fit for skin with dark spots?

This serum is a great fit because Aminopropyl Ascorbyl Phosphate and Tetrapeptide-21 effectively address pigmentation while providing antioxidant and collagen-boosting benefits. Additionally, peptides like Tetrapeptide-21 and Palmitoyl Tripeptide-1 Acetate help firm and plump your skin, and glycerin and sodium hyaluronate keep your skin soft and hydrated without irritation.
Sources: [Journal of Cosmetic Dermatology, 2026](https://pubmed.ncbi.nlm.nih.gov/41527525/), [Clinical, Cosmetic and Investigational Dermatology, 2017](https://pubmed.ncbi.nlm.nih.gov/28860834/)

### Which ingredients make this serum a good fit for skin with dark spots?

Aminopropyl Ascorbyl Phosphate and Acetyl Glucosamine make this serum a great fit for skin with dark spots by helping brighten the skin and fade discoloration. These ingredients work alongside peptides and sodium hyaluronate to support an even, smooth, and well-hydrated complexion.

### What does Growth Factor do for skin with dark spots?

Growth factor helps improve dark spots and uneven skin tone by supporting skin renewal and brightness. Studies show that multi-ingredient formulas containing growth factors and brighteners can improve dark spots with a good safety profile and low irritation.
Sources: [Journal of Cosmetic Science, 2020](https://pubmed.ncbi.nlm.nih.gov/33022197/), [Journal of Cosmetic Dermatology, 2017](https://pubmed.ncbi.nlm.nih.gov/27633651/)

### What do Peptides do for skin with dark spots?

Peptides help target dark spots by improving skin tone and reducing hyperpigmentation. Formulas combining peptides with antioxidants and brightening ingredients may provide additional support for a clearer, more even complexion.
Sources: [Dermatology and Therapy, 2025](https://pubmed.ncbi.nlm.nih.gov/39720967/), [Journal of Drugs in Dermatology, 2025](https://pubmed.ncbi.nlm.nih.gov/39761149/)

### Where does this serum go in a skincare routine for skin with dark spots?

This serum goes in the evening routine after cleansing and toning, and before moisturizing. Putting treatments in the evening helps keep things simple and offers extra safety around sun exposure.

### Can I use this serum with retinol, and in what order?

You can use this serum with retinol by applying the serum first and following it with your retinol product. Glycerin and Sodium Hyaluronate help keep your skin hydrated and may reduce any irritation from the retinol.
Sources: [Clinical, Cosmetic and Investigational Dermatology, 2017](https://pubmed.ncbi.nlm.nih.gov/28860834/)

### How often should I use this serum?

This treatment is great for your skin with dark spots and is used in the evening routine. Applying it in the PM helps keep things simple and safe around sun exposure, though some serums can also be used in the morning or twice a day if needed.

### Can this serum clog pores, cause breakouts or purging for skin with dark spots?

This serum is unlikely to clog pores or cause breakouts for skin with dark spots. Its formulation features gentle hydrators like glycerin and sodium hyaluronate that provide moisture without irritation or heavy residue.
Sources: [Clinical, Cosmetic and Investigational Dermatology, 2017](https://pubmed.ncbi.nlm.nih.gov/28860834/)

### Is this serum fragrance-free and alcohol-free?

Yes, it has no fragrance and no drying alcohol.

## Alternatives for skin with dark spots

- [Paula's Choice RESIST Super Antioxidant Concentrate Serum](https://lovi.care/skincare/it/p/paula-s-choice/resist-super-antioxidant-concentrate-serum/for/dark-spots) — Superior fit — €57.00 at Amazon
- [Guerlain Abeille Royale Double R Renew & Repair Serum](https://lovi.care/skincare/it/p/guerlain/abeille-royale-double-r-renew-and-repair-advanced-serum/for/dark-spots) — High fit — €132.56 at Amazon
- [La Mer The Regenerating Serum](https://lovi.care/skincare/it/p/la-mer/the-regenerating-serum/for/dark-spots) — High fit — €396.14 at Amazon

## Pairs well with

- Cleanser: [CeraVe Foaming Facial Cleanser](https://lovi.care/skincare/it/p/cerave/foaming-facial-cleanser/for/dark-spots) — Superior fit — €24.75 at Amazon
- Hydrating Toner: [Pyunkang Yul Calming Deep Moisture Toner](https://lovi.care/skincare/it/p/pyunkang-yul/calming-deep-moisture-toner/for/dark-spots) — Superior fit — €15.16 at Amazon
- Moisturizer: [Some By Mi Yuja Niacin Brightening Moisture Gel Cream](https://lovi.care/skincare/it/p/some-by-mi/yuja-niacin-brightening-moisture-gel-cream/for/dark-spots) — Superior fit — €18.06 at Amazon

## Where to buy

No store in Italy has a checked price for this product, so the page shows none.

## Ingredients

Water, Glycerin, Caprylic Capric Triglyceride, Hydroxyethyl Acrylate Sodium Acryloyldimethyl Taurate Copolymer, Squalane, Aminopropyl Ascorbyl Phosphate, Sodium Hyaluronate, Hydrolyzed Sodium Hyaluronate, Cutaneous Lysate, Tetrapeptide-21, Palmitoyl Tripeptide-1 Acetate, Butylene Glycol, Ethylhexylglycerin, Pullulan, Acetyl Glucosamine, Ethylene Acrylic Acid Copolymer, Polysorbate 60, Proline, Arginine, Glycine, Glutamine, Chlorphenesin, Nannochloropsis Oculata Extract, Capryloyl Carnosine, Poloxamer 338, Silica, Trifluoroacetyl Tripeptide-2, Dextran, Sorbitan Isostearate, Potassium Sorbate, Sodium Benzoate, Tocopherol, Disodium Edta, Sodium Hydroxide, Phenoxyethanol
## About the Lovi Fit

Lovi: Unbiased, science-based skincare AI trained on real user outcomes.

Lovi calculates every fit score from the full ingredient list 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 fit score: 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/p/neocutis/bio-serum-firm/for/dark-spots
- United Kingdom: https://lovi.care/skincare/uk/p/neocutis/bio-serum-firm/for/dark-spots
- Ireland: https://lovi.care/skincare/ie/p/neocutis/bio-serum-firm/for/dark-spots
- Germany: https://lovi.care/skincare/de/p/neocutis/bio-serum-firm/for/dark-spots
- France: https://lovi.care/skincare/fr/p/neocutis/bio-serum-firm/for/dark-spots
- Italy: https://lovi.care/skincare/it/p/neocutis/bio-serum-firm/for/dark-spots (this page)
- Netherlands: https://lovi.care/skincare/nl/p/neocutis/bio-serum-firm/for/dark-spots
- Spain: https://lovi.care/skincare/es/p/neocutis/bio-serum-firm/for/dark-spots
- Canada: https://lovi.care/skincare/ca/p/neocutis/bio-serum-firm/for/dark-spots
- Australia: https://lovi.care/skincare/au/p/neocutis/bio-serum-firm/for/dark-spots
- Singapore: https://lovi.care/skincare/sg/p/neocutis/bio-serum-firm/for/dark-spots
- Saudi Arabia: https://lovi.care/skincare/sa/p/neocutis/bio-serum-firm/for/dark-spots
- United Arab Emirates: https://lovi.care/skincare/ae/p/neocutis/bio-serum-firm/for/dark-spots