• ALL ABOUT PH

    Posted by Anonymous on April 30, 2014 at 11:46 am

    Any body please explain me at what ph the product is sensitive to skin , at what ph the preservative is required, what type of preservative suitable for different ph of products. both soaps and lotions. 

    MakingSkincare replied 9 years, 11 months ago 2 Members · 2 Replies
  • 2 Replies

Log in to reply.