Trifluoroacetic acid (CAS No.76-05-1, EC No.200-929-3, INCI: Trifluoroacetic Acid) is an ingredient listed in Cosing, with the function: pH adjuster.
The substance is currently not regulated by European Cosmetics Regulation 1223/2009.
It is listed in Annex VI/607-091-00-1 of the European CLP Regulation 1272/2008, with the following classifications.
• Acute Tox. 4*, H332 - Harmful if inhaled.
• Skin Corr. 1A, H314 - Causes severe skin burns and eye damage.
• Aquatic Chronic 3, H412 - Harmful to aquatic life with long lasting effects.

Germany proposes to classify the substance as follows.

Identification
Index number
• 607-091-00-1
Chemical name
• trifluoroacetic acid . . . %
EC number
• 200-929-3
CAS number
• 76-05-1
Classification
Hazard class and Category code(s)
• Repr. 1B
• Acute Tox. 3
• Skin Corr. 1A
• Aquatic Chronic 3
• PMT
• vPvM
Hazard statement code(s)
• H360fD - Suspected of damaging fertility. May damage the unborn child.
• H331 - Toxic if inhaled.
• H314 - Causes severe skin burns and eye damage.
• H412 - Harmful to aquatic life with long lasting effects.
• EUH450 - Can cause long-lasting and diffuse contamination of water …