Humectant ingredient

Isopentyldiol

A branched-chain diol (3-methyl-1,3-butanediol) used in cosmetics as a humectant, co-solvent, and mild antimicrobial booster.

Also known as: 3-methyl-1,3-butanediol, isopentylene glycol

humectantsolventantimicrobial

Benefits

  • Attracts and retains moisture
  • Acts as a co-solvent to dissolve and stabilize actives
  • Mild antimicrobial effect that boosts preservative systems

No known watch-fors.

At a glance
CategoryHumectant
IrritancyLow
Beginner-friendlyYes
Pregnancy safeYes
In your routine

Generally well-tolerated and easy to layer.

Found in 6 products
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Products with Isopentyldiol

Cicapair Tiger Grass SerumSerum
Dr. Jart+
Cicapair Tiger Grass Serum
Cicapair Tiger Grass Sleepair Intensive MaskMask
Dr. Jart+
Cicapair Tiger Grass Sleepair Intensive Mask
Heartleaf 77% Soothing TonerToner
Anua
Heartleaf 77% Soothing Toner
Aging Care Milk CreamMoisturizer
Minon Amino Moist
Aging Care Milk Cream
Aging Care LotionToner
Minon Amino Moist
Aging Care Lotion
Ampoule [B3] HydraSerum
SVR
Ampoule [B3] Hydra