：Experimental apparatus
1. 3 Droppers
② Several PH level tester paper
③ 1 empty plate
④ 1 beaker filled with water
⑤ 1 glass stirrer
⑥ 1 tweezers
⑦ 1 bottle of UNDERCLOTHES CLEANSER
⑧ 1 bottle of cleanser from other brand
⑨ 1 dish of laundry detergent（tea spoon）
Acquire UNDERCLOTHES CLEANSER with the dropper and drip it on the PH level testing paper
Acquire cleanser from other brand with the dropper and drip it on the PH level testing paper
Scoop one tea spoon of laundry detergent into the beaker, stir evenly with glass stirrer. Drip several drops of solution on the PH level testing paper
UNDERCLOTHES CLEANSER(faintly acid)
other brand’s cleanser ( neutral )
laundry detergent ( alkaline )
Conclusion，
UNDERCLOTHES CLEANSER uses faintly acid formula, gently clean the clothes, protect the skin of the genitals.
0 Comments