Approved Product

Catalyst

By Osmosis

Skin care
Catalyst
91/100
OH DAISEY SCORE Approved 28 ingredients analyzed
Ingredient Intelligence Transparent formula analysis based on the current Oh Daisey database.

Containing a clinically proven formula, this Vitamin C serum dramatically enhances the appearance of skin tone and texture. This serum can be used on pigmentation, acne scars, skin tags, and as your go-to anti-aging product. 

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Last reviewed 2026-08-14

✓ Formula analyzed ✓ Reviewed 2026-08-14 ✓ Updates as research evolves
OH DAISEY REVIEW

Why Oh Daisey Approved It

This product is listed in the Oh Daisey Approved Products database. Review the Ingredient Intelligence breakdown below for the current formula assessment.

Ingredient IntelligenceFormula analyzed against the Oh Daisey database.
Transparent ScoringApproved, Caution and unreviewed ingredients stay visible.
Research LedRatings can update as ingredient research evolves.
FORMULA AT A GLANCE

Formula Snapshot

See how this product scores across the Oh Daisey ingredient categories.

Approved24
Use with Caution2
Avoid1
Not Yet Reviewed1
85.71% Approved 7.14% Caution 3.57% Avoid 3.58% Not Reviewed
INGREDIENT INTELLIGENCE

Full Ingredient List

Tap an ingredient to learn more when an Ingredient Intelligence record is available.

Avoid1
Fragrance

May contain undisclosed mixtures of fragrance chemicals, including allergens, sensitizers, phthalates, or other substances not individually disclosed on the label. Fragrance is a leading cause of allergic contact…

Use with Caution2
Citrus Paradisi (Grapefruit) Peel Oil

May cause irritation or allergic sensitization and, depending on composition and processing, citrus peel oils may contain photoreactive constituents.

Benzyl Alcohol

Permitted for cosmetic use at regulated concentrations, but it can cause irritation or allergic contact dermatitis in susceptible individuals and is a recognized fragrance allergen requiring labeling under…

Approved24
Not Yet in Database1
Lysine HCI
ABOUT THE BRAND

Osmosis

31 approved products currently listed

Explore more Oh Daisey research and approved products from Osmosis.

Founded2007
CountryUnited States
ManufacturedUnited States
Cruelty FreeYes
VeganSome / Partial
OrganicNo
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