DIY Shampoo: The Recipes That Actually Work (and the Ones That Don't)

Sat, 15 Aug 2026 00:00:00 +0000

Search “DIY shampoo” and you’ll get baking soda, castile soap, and shikakai powder all recommended in the same breath, as if “natural” automatically means “safe for hair.” The actual chemistry says otherwise — pH is the dividing line between a DIY wash that genuinely works and one that quietly roughens your cuticle with every use. Here’s the recipe that holds up, and the popular ones that don’t.

The pH Problem: Why Some “Natural” Shampoos Damage Hair

Hair’s natural pH sits around 4.5-5.5, mildly acidic. A 2014 review in the International Journal of Trichology analyzing 123 shampoo formulas found that alkaline pH increases the hair fiber’s negative surface charge and friction between strands, contributing to cuticle damage, breakage, and frizz — while lower-pH formulas kept the cuticle smoother and reduced static (International Journal of Trichology, 2014).

DIY Shampoo on natural_poonam

DIY Shampoo: The Recipes That Actually Work (and the Ones That Don't)

The pH Problem: Why Some “Natural” Shampoos Damage Hair