1,2-Hexanediol is glycol alcohol (with two hydroxy groups on 1 and 2 positions and six carbon atoms), a multifunctional ingredient used as a solvent, emollient, moisturizing agent, and preservative in skin and hair care applications.
Butylene Glycol (1,3-butanediol) is organic alcohol (diol - contains two hydroxy groups) derived from natural renewable raw materials, a multifunctional ingredient included in formulas as a humectant, carrier, antiseptic, solvent, humectant, preservative booster, and emollient.
Caprylyl Glycol (1,2-Octanediol) is alcohol (diol contains two hydroxy groups on 1 and 2 positions) colorless liquid derived from raw natural materials, widely used in skin care applications for its humectant, antiseptic, anti-parasitic, antioxidant, and emollient properties.

Hexylene glycol is a diol (with two hydroxy groups at 2 and 4 positions), a colorless liquid with a mildly sweet odor and oily consistency. In nature, it is found in the tobacco plant (Nicotiana tabacum).

MethylPropanediol (2-methyl-1,3-propanediol) is a humectant glycol with a very low odor used in personal care products and fragrances.
Pentylene glycol is a natural diol derived from sugar cane bagasse's remaining waste. This multifunctional ingredient serves as a moisturizer, solubilizer, preservative, and so on.
Propanediol (also known as 1,3-propanediol) is an organic solvent, emollient, and adsorption booster derived from corn starch. It solubilizes and emulsifies oil, dirt, and makeup and rinses off the skin.

Triethylene glycol (TEG) is a straight-chain diol, a colorless, odorless, non-volatile hygroscopic liquid at room temperature.