Panthenol (Vitamin B5)
INCI: Panthenol
Panthenol (provitamin B5) hydrates and soothes with essentially no downside — it has no known conflicts with anything else in a routine, which makes it one of the few ingredients here that's genuinely safe to add without a second thought.
How to introduce it
7x
Starting / week
7x
Target / week
—
Ramp period
4w
Fair to judge by
Rules that don't bend
- No restrictions — safe to combine with every other class.