CAS 9556-89-9 - 95576-92-4 ·
No specific rule on file.
Restricted Annex III/250 (2)
Maximum: (b) 2,0%
Conditions: Product type: (a) Hair dye substance in oxidative hair dye products (b) Hair dye substance in non-oxidative hair dye products (a) After mixing under oxidative conditions the maximum concentration applied to hair must not exceed 1,0% For (a) and (b): - Do not use with nitrosating agents - Maximum nitrosamine content: 50 microgram/KG - Keep in nitrite-free containers
Source: EU CosIng — Annex III · checked Oct 17, 2026
Restricted Annex III/250
Maximum: (b) 2,0%
Conditions: Product type: (a) Hair dye substance in oxidative hair dye products (b) Hair dye substance in non-oxidative hair dye products (a) After mixing under oxidative conditions the maximum concentration applied to hair must not exceed 1,0% For (a) and (b): - Do not use with nitrosating agents - Maximum nitrosamine content: 50 microgram/KG - Keep in nitrite-free containers
Source: EU CosIng — Annex III · checked Oct 17, 2026
No specific rule on file. The FDA regulates few cosmetic ingredients by name; no rule does not mean approval.
HC Red No 10+ HC Red No 11
Information only, not medical advice. Rules change — always check the linked official source. If you are pregnant, have a skin condition or allergies, ask a dermatologist or pharmacist.
In the EU's CosIng records it is listed as “Restricted” (EU CosIng — Annex III). The maximum allowed is (b) 2,0%. A restricted ingredient is allowed within the stated conditions.
We found no specific rule for it in Korea's MFDS records. That is not an approval or a safety statement.
We found no specific rule for it in the FDA's records. That is not an approval or a safety statement.
CAS 9556-89-9 - 95576-92-4 (from official records).