Wondering why the pH level of your products matters? Acidic products close the cuticle layer of the hair. For high porosity ladies, using an acidic product after deep conditioning will help close the cuticles along the hair shaft, thereby sealing moisture into the hair. For low porosity ladies, whose hair cuticles are already tightly sealed, using a product with a low pH will further compact the cuticles, making it harder for moisture to penetrate into the hair shaft.Read More →