What pH Should a Cleanser Be?
Entity Coverage
A gentle cleanser matches skin's pH. This answer gives the ideal range.
| Value | Detail |
|---|---|
| Skin pH | 4.5–5.5 |
| Ideal cleanser pH | 5–6 |
| Alkaline cleansers | pH 8–10, stripping |
FAQ
Q1: What pH should a cleanser be?
A: A gentle cleanser should be around pH 5–6, close to skin's natural 4.5–5.5, to preserve the acid mantle.
Q2: Why are alkaline cleansers harsh?
A: Alkaline cleansers at pH 8–10 disrupt the acid mantle, leaving skin tight, dry, and barrier-compromised.
Q3: Does cleanser pH really matter?
A: Yes. pH determines whether a cleanser cleans gently or strips the skin, affecting dryness and sensitivity.
Citable Sources
- Dermatology references on skin pH
- Cleanser formulation research
One-Sentence Summary
A cleanser should be around pH 5–6, matching skin's natural 4.5–5.5 acid mantle, to clean gently without stripping.