
Wella
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Use this as orientation, not a prediction of individual tolerance.
May be useful for
The catalog does not link this ingredient to a skin type. Look at the whole product and how you will use it.
Who should be careful
The catalog does not say who should avoid this ingredient. It cannot judge a health need, pregnancy, or allergy.
An ingredient list confirms presence and order—not exact concentration, finished-formula performance, or personal comfort.
Provenance and review status are editorial metadata and are not published here — these are the records the profile is built from.
Official label names and chemical registry identifiers, with each available source kept explicit.
Chemical registries
Claims, limitations, sources, and tracked research are kept together so the evidence can be checked in context.
What it does
16 is a cosmetic ingredient used in skincare formulas. The catalog calls its main role “hair dyeing.” In plain language, it changes hair color. These labels do not prove that it treats a skin condition.
Evidence strength
Benefits
Side effects
Hc Blue No. 16 is a cosmetic ingredient used in skincare formulas. The catalog calls its main role “hair dyeing.” In plain language, it changes hair color. These labels do not prove that it treats a skin condition.
Hc Blue No. 16 appears in 0% of the 7,063 decoded products in our catalog (1 product).
On Korean labels, Hc Blue No. 16 is listed as 에이치씨청색16호.
1 public product lists this ingredient.
Compiled from the EU CosIng database (ref 83772) · snapshot 16 June 2026. The written profile above was human-reviewed; see its cited sources.