ZO Skin Health Brightalive Skin Brightener for skin with dark spots

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Questions and answers

What the research says

• Topical 1% hexylresorcinol is equivalent to 2% hydroquinone in significantly reducing the appearance of facial and hand pigmentation in healthy female participants over 12 weeks, with both treatments showing no adverse effects.

  Archives of Dermatological Research, 2023

• A topical serum containing vitamin C, vitamin E, and raspberry leaf cell culture extract improved skin color, elasticity, radiance, smoothness, scaliness, and wrinkles compared to the untreated contralateral side in fifty female volunteers.

  Journal of Cosmetic Dermatology, 2020

• Niacinamide significantly decreased hyperpigmentation and increased skin lightness compared with vehicle alone after 4 weeks of use in women by inhibiting melanosome transfer.

  The British Journal of Dermatology, 2002

• Topical post-laser application of human adipocyte-derived mesenchymal stem cell media combined with niacinamide significantly improved wrinkle index, melanin index, patient satisfaction, and investigator esthetic improvement scores compared to vehicle cream in patients with aging skin.

  Journal of Cosmetic Dermatology, 2021

• Topical nicotinamide prevented solar-simulated UV-induced immunosuppression in healthy volunteers, and men experienced immunosuppression at solar-simulated UV doses three times lower than those required for women.

  The Journal of Investigative Dermatology, 2008

• Topical 5% niacinamide applied twice daily for 12 weeks reduced fine lines and wrinkles, hyperpigmented spots, red blotchiness, and skin sallowness, and improved skin elasticity compared to vehicle control in 50 female white subjects with facial photoaging.

  Dermatologic Surgery, 2005

• 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 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

• 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

• 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

• A formulation combining 4-hexylresorcinol and niacinamide significantly improved hyperpigmentation, skin tone, fine lines, wrinkles, and firmness compared to niacinamide alone in Chinese subjects without adverse events.

  International Journal of Cosmetic Science, 2022

• A novel triple-active cosmetic formulation containing 4-hexylresorcinol, retinyl propionate, and niacinamide improved the visual appearance of photoageing similarly to 0.02% tretinoin and reversed a consensus gene signature associated with ageing in female adults while causing less skin irritation.

  International Journal of Cosmetic Science, 2024

• A topical cream containing retinol 0.5% in combination with niacinamide, resveratrol, and hexylresorcinol improved all efficacy endpoints including fine lines, radiance, smoothness, hyperpigmentation, and wrinkles in 25 subjects with photodamaged and aging skin over 10 weeks.

  Journal of Drugs in Dermatology, 2016

• Combining 755 nm alexandrite laser with topical licorice gel significantly reduces terminal hair counts compared to alexandrite laser with placebo in women with idiopathic hirsutism.

  Evidence-based Complementary and Alternative Medicine, 2015

• Licochalcone A activated Nrf2 signaling, elevated cytoprotective enzymes, increased the reduced-to-oxidized glutathione ratio, and decreased reactive oxygen species in human fibroblasts and neutrophils, while a LicA-rich licorice extract lowered UVA-induced oxidative processes in vivo.

  Experimental Dermatology, 2015

• Bioactive glycyrrhizic acid and oxymatrine ionic liquid self-assembled nanomicelles significantly promoted the transdermal permeation, subcutaneous retention, and anti-photoaging efficacy of palmitoyl pentapeptide-4 in cellular and animal models compared to unformulated peptide.

  Advanced Science, 2025

Ingredients

1,2-Hexanediol, Acetyl Glucosamine, Acetyl Tyrosine, Acrylamide Ammonium Acrylate Copolymer, Adenosine Triphosphate, Alcohol, Algin, Water, Ascorbic Acid, Ascorbyl Palmitate, Beta-Glucan, Butylene Glycol, C12-15 Alkyl Benzoate, Caprylyl Glycol, Caprylyl Methicone, Carbomer, Cetyl Alcohol, Chlorphenesin, Citric Acid, Cyclopentasiloxane, Dextran, Diglucosyl Gallic Acid, Dimethylmethoxy Chromanyl Palmitate, Disodium Edta, Glycerin, Glyceryl Stearate, Glycyrrhiza Glabra Root Extract Licorice Root Extract, Helianthus Annuus Seed Oil Sunflower Seed Oil, Hexylresorcinol, Hydrogenated Lecithin, Hydrolyzed Protein, Lecithin, Maltodextrin, Nonapeptide-1, Oligopeptide-68, Papain, Peg-100 Stearate, Peg-12 Dimethicone Ppg-20 Crosspolymer, Parfum, Phenoxyethanol, Polyisobutene, Polymethyl Methacrylate Pmma, Polysorbate 20, Polysorbate 80, Proline, Prunus Amygdalus Dulcis Oil, Retinyl Palmitate, Rosmarinus Officinalis Leaf Extract Rosemary Leaf Extract, Sodium Oleate, Sorbitan Isostearate, Soy Isoflavones, Stachys Officialis Leaf Extract, Tocopherol, Tocopheryl Acetate, Ubiquinone

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.