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Mac cosmetics • Some other key rules are to ensure that while making the cosmetics that your hands are clean and dry. There is nothing worse than to get high quality ingredients for making cosmetics and to have it spoiled because of foreign material that you might have on your hands. Other key rules are to store your ingredients and cosmetics in a cool dry place away from direct sunlight and to ensure that your containers mentioned in the the second of the series on cosmetic essentials are also clean and dry before you use them. Finally and I think this is rather obvious is to never attempt to eat or drink your cosmetic products.
High Quality Cosmetics • There are some basic rules to be followed when handling these ingredients. For example a key rule to be followed is to ensure that you or the person for whom you are making the cosmetic product doesn't have an allergic reaction to any of the ingredients. The best way to ensure that you don't have an allergic reaction is to do a pap test on the inside of your forearm, cover it with either gauze or a band-aid, leave it on overnight and if the next day there are no signs of irritation or redness, you can consider it safe to use. Mac cosmetics