INCI Medical Safety Check

Is Kosas Truth Serum Vitamin C Vol. 11 Paraben-Free Safe?

Comprehensive ingredient safety verdict & trigger breakdown across 12 INCI components.

VERDICT: NOT SAFE Face Mask

Contains 1 Flagged Trigger(s) for Paraben-Free

Screens for synthetic alkyl ester preservatives associated with endocrine disrupting potential.

Cosmetiqly Safety Score

75 %

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Clinical Breakdown & Synthesized Verdict

Analysis indicates that Kosas Truth Serum Vitamin C Vol. 11 does not meet strict Paraben-Free safety criteria. This formulation contains 1 blacklisted component(s) known to exacerbate paraben-free: methylparaben.

With a calculated Cosmetiqly Safety Score of 75%, individuals requiring strict paraben-free avoidance should evaluate alternative products or patch test with caution.

Flagged Trigger Ingredients (1)

⚠️ methylparaben

Full INCI Ingredient List (12 Ingredients)

Parsed from official formula disclosure

#	INCI Ingredient Name	Paraben-Free Status
1	limonene	✓ CLEAN / SAFE
2	geraniol	✓ CLEAN / SAFE
3	titanium dioxide	✓ CLEAN / SAFE
4	methylparaben	⚠️ FLAGGED TRIGGER
5	sodium laureth sulfate (sles)	✓ CLEAN / SAFE
6	isopropyl myristate	✓ CLEAN / SAFE
7	lauric acid	✓ CLEAN / SAFE
8	tocopheryl acetate	✓ CLEAN / SAFE
9	propanediol	✓ CLEAN / SAFE
10	phenoxyethanol	✓ CLEAN / SAFE
11	carbomer	✓ CLEAN / SAFE
12	squalane	✓ CLEAN / SAFE