Effect of natural colourant and synthetic colourant on pH value of lipstick
Lipstick is one of the cosmetics that are commonly introduced in the market place. As public concern towards the long term effect of synthetic materials used in cosmetic formulations, such as the synthetic colourant, therefore natural ingredients are getting more preferred. In this research, both na...
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| Format: | Undergraduate Final Project Report |
| Published: |
2014
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| Online Access: | http://discol.umk.edu.my/id/eprint/5957/ |
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