Flash Rinse 1 Minute Facial
The REN Clean Skincare Flash Rinse 1 Minute Facial is a wash-off mask. Our analysis of its 14 ingredients (11 low-risk) rates it Excellent (97/100). Based on its ingredients, it looks well-suited to oily / acne-prone and dry skin.
The REN Clean Skincare Flash Rinse 1 Minute Facial is a wash-off mask. Our analysis of its 14 ingredients (11 low-risk) rates it Excellent (97/100). Based on its ingredients, it looks well-suited to oily / acne-prone and dry skin.
Summarised from our ingredient analysis — not brand marketing copy.
The evidence
| EWG | CIR | Ingredient Name & Cosmetic Functions | Notes |
|---|---|---|---|
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Coconut Alkanes
(Emollient, Solvent) |
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ASCORBIC ACID
(Antioxidant, Buffering, Fragrance, Skin Conditioning) |
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Coco-Caprylate/Caprate
(Emollient, Skin Conditioning) |
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Silica
(Abrasive, Absorbent, Anticaking Agent, Bulking Agent, Opacifying, Viscosity Controlling) |
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Sodium Cocoyl Glutamate
(Cleansing, Surfactant) |
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Mannitol
(Binding Agent, Flavoring Agent, Humectant, Binding, Masking, Moisturising, Skin Conditioning) |
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Citrus Aurantium Dulcis Flower Oil
(Astringent, Fragrance, Skin Conditioning, Tonic) |
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Yeast Extract
(Skin Conditioning) |
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Copper PCA
(Humectant, Skin Conditioning) |
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Boswellia Carterii Oil
(Masking, Tonic) |
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Boswellia Serrata Extract
(Skin Conditioning) |
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Glycogen
(Skin Conditioning, Humectant) |
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Magnesium Ascorbyl Phosphate
(Antioxidant) |
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Limonene
(Deodorant, Perfuming, Solvent) |
Allergens
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How to use
General guidance from this product's category and active ingredients — always follow the directions on the package.
Trust & honesty
The concentrations these actives are typically effective at in research — not a measurement of this product.
L-ascorbic acid is usually used at 5–20% (around 10–15% is common). Above ~20% adds little and tends to irritate more; it also needs a low pH to work.
ASCORBIC ACID, Magnesium Ascorbyl Phosphate
INCI lists don't disclose amounts, and we don't claim to know this product's levels — these are the ranges these ingredients are usually effective at, so you can tell a real formula from "fairy-dusting" a marketed active. How we estimate this.
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