Mad Hippie Vitamin C Serum for skin with dark spots

How to apply

Questions and answers

What the research says

• 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

• 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

• 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

• 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

• Topical treatment with 5% vitamin C and 0.1% madecassoside significantly improved clinical scores for wrinkles, suppleness, firmness, roughness, and skin hydration, along with functional and structural remodeling of the elastic fiber network in 20 female volunteers with photoaged skin after 6 months compared to baseline.

  Experimental Dermatology, 2008

• 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

• 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

• 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

• Treatment with 14% ferulic acid and 12% l-ascorbic acid significantly reduced pigmentation and erythema while improving hydration and elasticity in 20 women with photoaged skin, with neither acid proving definitively more effective overall though ascorbic acid showed slightly greater skin lightening.

  Dermatologic Therapy, 2022

• Combining fractional microneedle radiofrequency with a topical antioxidant serum significantly reduced wrinkle severity by 29.9% versus 18.0%, increased elasticity by 12.9% versus 2.3%, and improved aesthetic outcomes in 31 participants compared to radiofrequency and placebo.

  The Journal of Dermatological Treatment, 2025

• Pretreatment with a topical antioxidant mixture of vitamin C, ferulic acid, and phloretin attenuated ultraviolet-induced sunburn cell formation, thymine dimer formation, matrix metalloproteinase-9 expression, p53 protein expression, and the suppression of CD1a-expressing Langerhans cells in human skin compared to vehicle control.

  Journal of Cosmetic Dermatology, 2008

• Glucomannan isolated from Candida utilis suppressed UVB-induced decreases in keratinocyte viability and apoptosis in vitro, and decreased UV-induced skin erythema formation in human volunteers in vivo.

  Carbohydrate Research, 2008

• A novel Konjac glucomannan/silver nanoparticle composite sponge exhibited good antibacterial activity and effectively accelerated wound healing, promoted fibroblast growth, and accelerated epithelialization in animal models while demonstrating good cytocompatibility with L929 cells.

  Carbohydrate Polymers, 2018

• Carboxymethyl konjac glucomannan-chitosan composite sponges possessed high swelling ratio, proper water vapor transmission rate, and good biocompatibility, and effectively healed full-layer skin defect wounds in male ICR mice compared to untreated conditions.

  International Journal of Biological Macromolecules, 2018

• Topical application of an antioxidant serum containing 15% ascorbic acid, 0.5% ferulic acid, and 1% tocopherol prevented particulate matter-induced degradation of extracellular matrix components, inflammation, and oxidative stress in the skin of 15 female volunteers compared to untreated controls.

  Journal of Cosmetic Dermatology, 2025

• Dermatological products containing d-alpha tocopheryl acetate showed non-comedogenic potential with less than a 50% increase in microcomedones in 12 healthy male subjects compared to octyl palmitate.

  Contemporary Clinical Trials Communications, 2021

• Topical application of an antioxidant mix containing 15% ascorbic acid, 0.5% ferulic acid, and 1% tocopherol prevented PM and UV-induced skin barrier perturbation, lipid peroxidation, inflammatory markers, MMP9 activation, and Type I collagen loss in 15 healthy females compared to untreated exposed skin.

  Journal of Cosmetic Dermatology, 2024

Ingredients

Deionized Water Water, Ascorbic Acid Sodium Ascorbyl Phosphate, Alkyl Benzoate, Glycerin, Sodium Levulinate, Sodium Anisate, Salvia Sclarea, Grapefruit, Sodium Hyaluronate, Amorphophallus Konjac Root Powder, Aloe Barbadensis Leaf, Vitamin E Tocotrienol, Ferulic Acid, Chamomile Flower Extract Recutita Matricaria Flower Extract, Sodium Phytate, Xanthan Gum, Hydroxyethylcellulose

Behind this fit score

Lovi calculates every fit score from the full ingredient list with brand-independent rules our 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.