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ONE SKIN
PREP Facial Cleanser
Last verified: April 7, 2026
- Water
- Sodium Laurylglucosides Hydroxypropylsulfonate
- Cocamidopropyl Hydroxysultaine
- Disodium Lauryl Sulfosuccinate
- Glycerin
- Sodium Hydroxypropylphosphate Laurylglucoside Crosspolymer
- Sodium Grapeseed Amidopropyl Pg-Dimonium Chloride Phosphate
- Hydrolyzed Opuntia Ficus-Indica Flower Extract
- Breu Branco Resin
- Caprylyl Glycol
- Phenoxyethanol
- Lonicera Japonica (Honeysuckle) Flower Extract
- Niacinamide
- Sorbic Acid
- Arnica Montana (Arnica Flower) Extract
- Tetrasodium Glutamate Diacetate
Why This Product is Rated SLOW
PREP Facial Cleanser by ONE SKIN has been evaluated by Million Marker and contains some ingredients with possible health concerns. This product is rated SLOW, indicating moderate concern.
We recommend reviewing the ingredient list carefully and considering safer alternatives when possible. SLOW-rated products may still be acceptable for occasional use.
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