These are nonionic surfactants often used in hair care products as a gentle cleanser.

Nonionic surfactants are used for gentle cleansing and for emulsion stabilization in hair care.

Decyl glucoside
Laureth-10 (lauryl ether 10)
PEG-10 Sorbitan Laurate
Polysorbate- (20, 21, 40, 60, 61, 65, 80, 81)
PPG-1 Trideceth-6
Steareth- (2, 10, 15, 20)
C11-21 Pareth- (number between 3 and 30, the higher the number, the more water soluble and higher the hydrophilic portion)
C12-20 Acid PEG-8 Ester