Paula's Choice RESIST Triple Active Total Repair Serum for oily acne-prone skin

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Questions and answers

What the research says

• 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 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 rice bran oil nanoemulsion formulated using low energy methods showed low irritation potential in vitro and improved skin moisture while maintaining normal skin pH in human volunteers during in vivo assessments.

  Journal of Nanobiotechnology, 2011

• Nanoencapsulation of rice bran oil in a hydrogel prevented UVB-induced ear edema by 60% and reduced protein carbonylation and NF-κB nuclear translocation by 81% and 87%, respectively, in mice compared to a control hydrogel.

  European Journal of Pharmaceutics and Biopharmaceutics, 2015

• A topical xanthan gum nanogel containing gamma-oryzanol-loaded nanostructured lipid carriers and nanosized TiO2 and MBBT filters demonstrated high photoprotection with an SPF of 34 and no skin irritation or sensitization in a rat model.

  Pharmaceuticals, 2023

• 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 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 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

• A topical formulation containing hexylresorcinol, silymarin, 20% vitamin C, and 5% vitamin E prevented UVB-induced photodamage in skin explants and produced clinical improvements in brightening, evenness, lines, and global appearance in 42 female subjects over 12 weeks.

  Journal of Cosmetic Dermatology, 2020

• Over-the-counter retinol products provided only weak evidence for a mild ameliorating effect on fine facial skin wrinkle lines in randomized, double-blind, vehicle-controlled trials, and major methodological flaws call the validity of positive results into question.

  The Journal of Clinical and Aesthetic Dermatology, 2021

• A cosmetic niacinamide/peptide/retinyl propionate regimen significantly improved periorbital wrinkle appearance relative to a 0.02% tretinoin regimen at 8 weeks with comparable benefits at 24 weeks, while demonstrating significantly better tolerability in 196 women.

  The British Journal of Dermatology, 2010

• Topical retinyl propionate cream produced no statistically significant differences compared to placebo for any clinical, histological, or profilometric parameters of skin photoageing in 80 subjects.

  Clinical and Experimental Dermatology, 1998

• 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

Water, Isopropyl Myristate, Caprylic Capric Triglyceride, Glycerin, Niacinamide, Hydroxystearic Acid, Rice Bran Oil, Tocotrienols, Retinyl Propionate, Hexylresorcinol, Acrylates C10-30 Alkyl Acrylate Crosspolymer, Cetyl Alcohol, Chestnut Leaf Extract, Hydroxyacetophenone, 1,2-Hexanediol, Caprylyl Glycol, Sodium Hydroxide, Dilauryl Thiodipropionate, Pentaerythrityl Tetra-Di-T-Butyl Hydroxyhydrocinnamate, Sodium Phytate, Bht

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.