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Aako BV
P.O. Box 205
3830 AE Leusden
The Netherlands
KvK 31009627

Hostapon CLG

CAS number:
29923-31-7
INCI:
Sodium Lauroyl Glutamate
EINECS number:
249-958-3
Functionality
Surfactant
Non Governmental organization
-

General description

N-Lauroyl glutamic acid sodium salt

®Hostapon CLG is a very mild co-surfactant for the cosmetic industry, based on L-glutamic acid, a naturally occuring amino acid. It is used mainly for the production of hair and body care products, such as shampoos, shower gels, liquid soaps, cleansing lotions and baby care products, that are gentle to the skin. Hostapon CLG is free of preservatives.

Surface activity
®Hostapon CLG shows marked surface and interfacial activity. Above that critical micelle concentration (CMC about 0.17 g/l), surface tension is reduced to values below 30 mN/m.
CH2CH2CHCOO-HOOCNHCORNa+

Resistance to water hardness
®Hostapon CLG shows moderate resistance to hard water. Turbidity occurs at water hardness values from 10° German hardness.

Foaming behaviour
®Hostapon CLG has very good foaming behaviour, particularly in the acid range. Maximum foaming is obtained in the region of pH 5.
In determining the foaming power of ®Hostapon CLG by the ROSS-MILES method, very good foaming values are obtained in the pH range 4-7.In formulations, ®Hostapon CLG improves the overall foam structure.

Washing and degreasing action
®Hostapon CLG has a mild, gentle cleansing action. Because of it’s affinity for keratin (substantivity), it leaves an extremely pleasant silky feel on the skin and improves hair care properties (wet and dry combing, handle) when used in shampoos.

Viscosity in mixtures with other surfactants
As a co-surfactant in surfactant formulations, ®Hostapon CLG shows a slight viscosity-reducing effect. But in mixtures with ®Genapol LRO (Sodium Laureth Sul-fate) and with the addition of commonly used consistency modifiers such as ®Genapol L-3 (Laureth-3), practical viscosities with acceptable sodium chloride contents are easily obtained. The viscosity of comparable formulations is lower with ®Hostapon CLG compared to ®Hostapon CCG (Sodium Cocoyl Glutamate).

Low-temperature properties
At room temperature (20-25 °C), ®Hostapon CLG is a clear to slightly hazy liquid. At temperatures below + 5 °C, this turbidity can increase and in some cases is accompanied by the formation of sediment.
At temperatures around + 20 °C, this effect is reversible.

Applications

®Hostapon CLG is particularly suitable for the production of shampoos for damaged and dry hair because of it’s conditioning action. Additionally Hostapon CLG shows synergy with cationic polymers and help to reduce the amount of the latter products.
®Hostapon CLG is also suitable for the production of shower gels with special care effects (shower creams, 2 in 1 shower gels) and mild cleansing lotions for sensitive skin. ®Hostapon CLG is responsible for an improved, gentle skin feeling.
Mild baby shampoo formulations can be formulated with ®Hostapon CLG in conjunction with ®Genagen LAA (Sodium Lauroamphoacetate) and ®Genagen CAB (Cocamidopropyl Betaine).
Generally, Acylglutamates like ®Hostapon CLG improve the dermatological characteristics of surfactant formulations containing Sodium Laureth Sulfate. Shampoos which combine Acylglutamates with Sodium Laureth Sulfate as a base surfactant have reduced tendency for deposition of Sodium Lureth Sulfate residues on the skin and thus reduce irritancy.
Surfactant formulations containing ®Hostapon CLG also show improved compatibility with cationic surfac-tants.
®Hostapon CLG may also be used as hydrophilic co-emulsifier in O/W-emulsions especially in combination with the emulsifiers ®Emulsogen SRO or ®Hostacerin DGI.

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Aako BV
P.O. Box 205
3830 AE Leusden
The Netherlands
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