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Bactericides, Fungicides, antifouling

Preservatives used in Shampoo

Does the shampoo contain preservatives?

The media exposed a group of shampoo sample test results, saying that common preservative ingredients were found in hot shampoos on the market. As soon as the news came out, consumers immediately "talked about rottenness and discoloration", and they were in a state of dread. But in the interview, most consumers said they were calm.
Relevant national regulations stipulate that trace amounts of preservatives are allowed in shampoos. As long as it complies with national standards and is not overused, it can be used with confidence.

Now let's talk about the preservatives in shampoo.

First, the paraben preservative is a common preservative, widely used in various cosmetics, and the maximum limit of paraben preservatives used in cosmetics is 0.4 in the Chinese cosmetic hygiene code. %, Mixed ester was 0.8%.


Second, formaldehyde releasers: such as imidazolidinyl urea

Such preservatives are commonly found in various cosmetics such as shampoos and facial cleansers, and are generally added in an amount of 0.1 to 0.6%. They can be added at room temperature or as high as 80 ° C. Used in combination with parabens, IPBC, Kaisong, etc., it has better synergistic anticorrosive effect.


Third, methyl isothiazolinone (MIT) and methylchloroisothiazolinone (CMIT)
This is also one of the common preservatives in cosmetics. It has a low dosage and is provided as an aqueous solution. It is easy to incorporate into cosmetic formulations. Good compatibility with surfactants and emulsifiers, regardless of its ionic properties Environmental protection, can be biologically descended quickly.

Fourth, food-grade preservatives: potassium sorbate, sodium dehydroacetate, sodium benzoate

Preservatives that can be eaten are safer than previous preservatives, and their effects are even lower after skin contact. Food-grade preservatives are rarely used in shampoos on the market, and more commonly found in non-ionic organic shampoos.


Our feature product of Kathon cg, Sodium Pyrithione, Zinc Pyrithione,IPBC  preservatives etc. For more preservatives, please feel free to contact us.

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Contact: Mr David Sun

Phone: 15734121186

Tel: 13998683145

Email: sales@sinotrustchemical.com

Add: Zhongshan Dist Dalian China