Tuesday, May 27, 2008
The advantage of the magnesium surfactants compared with other mild surfactants is that their applicational properties are practically unchanged compared with the sodium forms. From this point of view they belong to the group of basic surfactants showing high foaming and excellent cleansing properties. In case of the ether sulfate,easy thickening with electrolytes is still possible. The solubility for oils and perfumes is much greater when magnesium surfactants, rather than sodium surfactants are used.
The preservation of formulations based on magnesium surfactants is somewhat problematic. since divalent ions such as magnesium increase the resistance of microbes. Consequently, where magnesium surfactants are used in formulations, the preservation system should be carefully checked.
Linear alkyl benzene sulfonate and alkane sulfonate are very powerful surfactants with good detergency and foaming properties. However, due to their strong defatting action, they leave a harsh and dry feel on skin and hair. For very cheap formulations, small amounts can he used to reduce the costs of raw materials. Their main use is in dish-washing liquids and all purpose cleaners.
A wide range of chemical and natural materials is used in the formulation of cosmetic and toiletry preparations. It is outside the scope of this book to give a complete overview, therefore only those materials of primary importance will be stressed. This chapter deals with the basic raw materials for the production of hair-, skin- and oral-care products. It does not include special additives such as herbal extracts, nor raw materials, such as pigments, for decorative cosmetics. An overview of herbal extracts is given by Nowak.
ASEAN Harmonized Cosmetics Regulatory Scheme in a cosmetics field in
- Schedule A : Mutual Recognition Arrangement
- Schedule B : ASEAN Cosmetic Directive begin was be validated on 1 January 2008.
Change of paradigm :
- Registration become notification
- Cosmetic surveillance system focus that revolve in a market become Marketing Pasca Surveillance and Cosmetic Safety Evaluation.
Cosmetics category base of ASEAN Cosmetic Directive :
1. Creams, emulsions, lotions, gels and oils for the skin.
2. Face masks
3. Tinted bases
4. Make-up powders
5. Toilet soaps, deodorant soaps, etc
6. Perfumes, eau de cologne
9. Deodorants and anti-perspirants
10. Hair care products :
· Hair tints
· Products for waving, straightening and fixing
· Setting products
· Cleansing products
11. Shaving products
12. Make-up products
13. Lips products
14. Teeth and mouth products
15. Nail care products
16. External intimate hygiene products
17. Sunbathing products
18. Tanning without sun products
19. Skin-whitening products
20. Anti wrinkle products.