Radar, the advantages and disadvantages of the six skin care products in one test

skin care products is on the radar, and the advantages of one make-up test six types, the pros and cons of maintaining the multiple functions and become difficult to choose black heart products will be combined with the pour, we finally, to use sufficient security in the face of the product? in we have a very simple way to skin self help them? through the home and provide a simple test method can be diy experts to test cosmetic products on features. one test or the water calm? please try the test strip at the mere sight! test objective: to test the water, the ph value (ph value), with a simple test method cece gentle enough not to see stimuli. tools: even the measured ph values and ph test strips are not only detect ph. action: if the test paper and drop some lotion, ph value less than 7 acidic red strip show; more than 7