How to identify cosmetics OEM manufacturers provide sample?

A lot of cosmetics manufacturer OEM customers find us, before the selected products, all we need to provide the corresponding model. Sample is very important, the follow-up production big goods is according to your sample. A brand customers will find a lot of manufacturers to provide the sample, so the stand or fall of the example of how to determine the offer? This is one of the important factors to choose a factory. Here is introduced several methods for your reference, need to declare these aspects are necessary and sufficient conditions, that is to say, appear these phenomenon in cosmetic products, is not necessarily good. But as a cosmetics manufacturer manufacturer to provide samples, appear a certain phenomenon, must be good product. 1. See ingredients: at the time of model of cosmetics manufacturer manufacturer, provide related components, see them all what composition, composition is distinguish the condition of a product is good or bad, some of the ingredients is also used to do marketing. So you need to pay attention to. 2, see touch: absorption rate and product reputation. The more pure product does not contain harmful substances, the tactility is more delicate, skin to absorb much sooner. 3. Silver ornament test: safety of removing and whitening, products mainly of arbutin and vitamin C, etc. , such products can only slowly and gradually improve the skin. Those so-called can most efficiently removing and whitening products contain lead, mercury compounds, if the long-term use of this product, it is likely to cause chronic poisoning of the body. So when buying, removing and whitening products dip in with carrying silver ornaments take a small amount of skin care products, keep a few minutes in the strokes on a blank sheet of paper, if the trace is obvious - colored, suggests that this product contains lead, mercury, should be careful to choose. 4, PH test paper test method: human skin weak acid, so only weak acid skin care products can effectively protect the skin. When buying skincare, apply a small amount of product on the PH paper, first, a few minutes later than paper color card, if the product is alkaline, is not suitable for use. 5, cream products fire test method: put a small amount of cream products in the spoon, then heated, if boil cream into milk, behind and fragrant flavour is full-bodied, explain this product is safe. If after heating phenomenon of spitting, smoking, and taste is residue bulbs, ladle bottom, shows the mineral oil paint or fill products are boride, may cause harm to the skin after use. 6, test of water emulsion method. Pour a small amount of the emulsion into the water. If the emulsion floating on the surface of the water, said if the emulsion floating in the water, then it contains oilstone ester. Oilstone ester can cause dry skin, pore jams. If the emulsion glue on the cup, said the main composition of skin care products is mineral oil, as long as within the prescribed scope, will not affect to the skin, but don't breathe freely form a protective layer of the skin layer. If the emulsion sink to the bottom of the cup, said the main composition of skin care products is heavy metals, long-term use can cause considerable damage to the skin. If the emulsion and the mixture of water, it is safe to protect skin to taste, to melt in the water, of course will not cause harm to the skin. Gently shaking the container, if the liquid into a milky white, means that the emulsion containing emulsifier, could damage the skin organization structure, cause skin irritation.
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