配方类型:

COSMETICS

配方说明:

Hair Relaxer (Cream)

配方组成:

Ammonia (28%)/3.87
Duponol WA Paste/0.02
Perfume Rose/0.30
Water/q.s. 100.00
Ammonium Thioglycolate (60%)/11.68
If you wish to use thioglycolic acid (80%) in place of ammonium
thioglycolate (60%), use
Thioglycolic Acid (80%)/8.75
Evanol/6.50
Ammonia (28%)/8.40

配制方法:

Heat water to 75 C. Add Evanol and Duponol. Keep at 75 C until the Evanol and Duponol are melted and dispersed. Stir to room temperature; add perfume. Add ammonium thioglycolate to the cream. Add sufficient ammonia to the cream to bring it up to pH 9.0.
Note: Assay thioglycolic acid content before packaging. It should be 7.0%.