✅ Generally Safe
Is Propanediol safe for perioral dermatitis?
Also known as: 1,3-propanediol, trimethylene glycol
Verdict: Generally Safe
A gentle plant-derived humectant and safer alternative to propylene glycol. Generally non-irritating and well-tolerated by PD-prone skin.
Where it appears
Propanediol is generally considered safe for perioral dermatitis-prone skin and can be used as part of a gentle, PD-safe routine.
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