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Home › Hair colorant compositions comprising 2-methoxymethyl-1,4-diaminobenzene and 2,6-dihydroxyethylaminotoluene, methods, and kits comprising the compositions

Hair colorant compositions comprising 2-methoxymethyl-1,4-diaminobenzene and 2,6-dihydroxyethylaminotoluene, methods, and kits comprising the compositions

US Patent 8663340 · Granted Mar 4, 2014

Estimated economic value: $51,592,000 ⓘ

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