WHAT DOES SULPHATE FREE SHAMPOO MEAN?

And When you have sensitive pores and skin, day-to-day use of a sulfate-dependent shampoo—or repeated incorrect rinsing of one—could lead to boring, brittle tresses and possibly even hair reduction or thinning after a while. My roommate has a lot of the bounciest, most frizz-free curls I’ve seen, so Once i noticed this on her shelf, I figure