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Phenylethyl Resorcinol

Also-called-like-this: SymWhite
What-it-does: antioxidant, skin brightening


A skin-lightening and antioxidant active ingredient derived from a molecule that exists naturally in Pine tree. According to the clinical results of the manufacturer, 0.5% of phenylethyl resorcinol is more effective than 1% of well-known skin-lightener kojic acid. 

Though the results from the manufacturer sound quite promising, a skin-lightening study from 2013 involving phenylethyl resorcinol shows quite moderate results. In the 80 participants, 12-week study, phenylethyl resorcinol was combined with three other actives (disodium glycerophosphate, L-leucine, and undecylenoyl phenylalanine) and only 57% of the participants showed at least a moderate response and 17% did not improve at all.

Show me some proof

  • Journal of cosmetic dermatology, 2013 Mar;12(1):12-7, Efficacy of hydroquinone-free skin-lightening cream for photoaging

Products with Phenylethyl Resorcinol

Aizen Symwhite 377 Cosmed Alight Brightening Vitamin C Serum Aizen Whitifique Face Cream Hylamide Booster;C25 Hylamide C25 Omniceutics Omnifade Biomed Biobright SkinMedica Lytera 2.0 Tebitech Tebiskin LC Lightening Cream Yuderma Melarid Depigmenting Serum Bryght Treat Gel Conscious Chemist Hydro+™ | 3% Multi-molecular Hyaluronic Acid Serum COSRX Mela14 White Ampule Skin Script Retinaldehyde Serum SkinMedica Even & Correct Advanced Brightening Treatment PCA Skin Pigment Gel Hq Free SkinMedica Instant Bright Eye Cream Specific Beauty Dark Spot Go Away Target Treatment Vichy Ideal White - Meta Whitening Emulsion Zelens Z Lumious Brightening Serum Garnier Serum Mask Light Complete PCA Skin Pigment Gel Pro-Derm Retinal Serum Protocol Enzyme-active Retinol Serum Protocol Oxidated Retinol Serum Purid Refreshing Brightening Serum RejuvAus Ab Repair & Restore Antioxidant Serum For Oily Skin Rx1 RejuvAus Ab Repair & Restore Antioxidant Serum For Oily Skin Rx2 RejuvAus Ab Repair & Restore Antioxidant Serum For Oily Skin Rx4 Sallve Óleo Antiacne Skintific Symwhite377 Dark Spot Eraser Serum Bellflower Glutathione Power Brightening Cream Circadia Bright White Serum InstaNatural Dark Spot Corrector, Anti-Aging Physicians Formula Skin Booster Vitamin Shot - Brightening RejuAus Abc Repair & Restore Antioxidant Serum Rx2 RejuvAus Abc Repair & Restore Antioxidant Serum Rx1 RejuvAus Abc Repair & Restore Antioxidant Serum Rx4 By Ecom Snow Pearl Tone Up Cream Dermalogica Retinol Clearing Oil HydroPeptide Lumapro-C Serum Murad Resurgence Renewing Cleansing Cream NYX Professional Makeup Bare With Me Daily Moisturizing Primer Proactiv Post Acne Dark Mark Relief La Roche-Posay Pigmentclar Serum Lancôme Clarifique Brightening Rebalancing Watery Emulsion N Ā E L I Corrector Riversol The Corrector Shu Uemura Blanc:Chroma Brightening & Polishing Gentle Cleansing Oil Vichy Mattifying Correcting Care