A clinically proven Vitamin C serum that helps brighten, smooth, and firm while visibly improving uneven tone, pigmentation, redness, and texture for a radiant, youthful-looking complexion.
4.1
31 ratings
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Catalyst
Great products
A
Anonymous · June 16, 2025
Awesome products!
I love the Osmosis line of products. Have been using Catalyst, Boost, and Quench for seven years or so and feel they’ve helped my skin be healthier and smoother.
E
E.T. · March 7, 2025
Too thick. Have to mix with water and hope my face isn’t too orange.