| 摘要 |
<p>The use of benzotriazole UV absorbers of formula (1), wherein A is a radical of formula (1a); (1b); or (1c); B is a radical of formula (1d); (1e); (1f), (1g); (1h); (1i); (1k); (1l); (1m); or (1n); R1, R2, R3, R4, R5 and R6 are each independently of the others hydrogen, C1-C16alkyl;C5-C7cycloalkyl; halogen; R9 is hydrogen, C1-C12alkyl; or C5-C7cycloalkyl; R7, R8 and R10 are each independently of the others hydrogen, C1-C12alkyl C5-C7cycloalkyl, C1-C12hydroxyalkyl; X is halogen; a radical of formula (1s); (1t); or (1u); sulfate, phosphate, lactate, citrate, tartrate; R11 is C1-C12alkyl; or C5-C7cycloalkyl; R12 and R13 are each independently of the other hydrogen; or C1-C5alkyl; x is from 0 to 10; and y is from 1 to 20; in the cosmetic treatment of human hair for protection against UV radiation is described.</p> |
