Peptide Skincare & BeautySkin science and ingredient guides

Ingredient or product comparison

Allies of Skin 20% Vitamin C Brighten + Firm Serum Versus Sunday Riley C.E.O. 15% Vitamin C Brightening Serum

This brightening serum is formulated around 3-O-Ethyl Ascorbic Acid and Glutathione to brighten dull-looking skin. This brightening serum is formulated around Tetrahexyldecyl Ascorbate and Glycolic Acid to brighten dull-looking skin and refine skin texture.

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  • This brightening serum is formulated around 3-O-Ethyl Ascorbic Acid and Glutathione to brighten dull-looking skin.
  • This brightening serum is formulated around Tetrahexyldecyl Ascorbate and Glycolic Acid to brighten dull-looking skin and refine skin texture.