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Section 1 | Cosmetic formulation and production process

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Update time : 2015-04-28 15:12:46

Section 1 | Cosmetic formulation and production process

According to different production processes and forms, cosmetics can be divided into eight categories: liquid, semi-solid, solid, cream, emulsion, aerosol, organic solvent, wax-based, and other categories.
 
  Liquid cosmetics
 
   Liquid cosmetics refer to non-emulsified liquid products. Such as make-up water, gel water, emollient oil, hair oil, cleansing oil, shampoo, shower gel, cold iron, etc.
 
   1. Shampoo
 
  Shampoo, also known as shampoo, is a cosmetic product for cleaning hair and scalp. The current "two-in-one" shampoo not only removes hair dirt and dandruff, but also gives the hair a good combability, keeps the hair from fluttering, and feels soft and smooth.
 
The main ingredients of    shampoo are water, cleansers, thickeners, conditioning agents, pearlescent agents, complexing agents, colorants, acidity regulators, flavors, preservatives. The ideal shampoo has good lather, proper degreasing power, good wet and dry combing, and does not irritate the eyes. Common quality problems with shampoos are changes in viscosity, disappearance or thickening of pearlescence, discoloration and taste change.
 
  In the production process of shampoo, it is important to dissolve the heat. It is necessary to ensure that the mixture of the aqueous solution of the conditioning agent, surfactant, and pearlescent agent is dissolved well, otherwise the viscosity and foaming properties of the product will be reduced, and the pearlescent effect will be poor.
 
   2. Bath liquid
 
  Bath is a kind of cleansing product that people use when taking a bath. In the past, most people used soaps and soaps when they bathed. Soap products have strong detergency and cleaning effect, but they are alkaline, which makes the skin deeply degreased, dry and dull. The bath liquid can overcome the many discomforts caused by soaps to the skin, moisturizing the skin while gently cleaning the skin. The ideal bath liquid is rich in foam, mild to the eyes, does not irritate the eyes, has moderate cleaning ability, and has a pleasant fragrance.
 
The main raw materials of the bath liquid are water, main surfactants, auxiliary surfactants, acidity regulators, viscosity regulators, and pearlescent agents. Common quality problems include changes in viscosity, pearlescence disappearing or thickening, layering, discoloration and Smells etc.
 
   3. Facial cleanser
 
   facial cleanser is a cosmetic for facial cleansing. The main raw materials of facial cleanser are water, fatty acid soap, surfactant and moisturizer. According to the different main ingredients of facial cleanser products, it can be divided into surfactant type and soap type. The ideal facial cleanser is mild, does not irritate the eyes, the foam is rich and delicate, the appearance is beautiful, and the fragrance is pleasant. Common quality problems with facial cleansers include changes in viscosity, disappearance or thickening of pearlescence, discoloration and taste change.
 
   4. Lotion
 
   Make-up water is a water-soluble liquid product, which has the functions of moisturizing, moisturizing, softening, cleaning, adjusting the moisture and oil content of the face, and balancing the pH value of the skin. When using it, it is generally applied to the face after cleansing the facial skin, replenishing the skin with moisture, and adjusting the oil-water balance of the skin. Compared with creams, the lotion is more refreshing and does not form an oily film on the skin.
 
  According to the different functions of the product, the lotion is generally divided into clean lotion, soft lotion and astringent lotion.
 
  Cleansing lotion, also known as cleansing lotion, is a lotion for cleaning skin and removing light makeup. The cleaning power of the cleansing lotion is weaker than that of facial cleanser and cleansing oil. The main raw materials are solvents, moisturizers and surfactants. The common quality problems are turbidity or precipitation, discoloration and odor.
 
  Soft make-up water, also known as skin toning lotion, is a cosmetic that can replenish the skin's stratum corneum with moisture and keep the skin soft, smooth and moist. The soft lotion is suitable for most normal and dry skin, generally weaker alkaline. The main raw materials of soft lotion are solvent and moisturizer, etc. The common quality problems are turbidity or precipitation, discoloration and odor.
 
  Astringent lotion is also called astringent water and shrinkage water. Its main function is to temporarily shrink the pores and sweat pores on the skin, which is suitable for oily skin. The main raw materials of astringent lotion are solvent, astringent and moisturizer. The common quality problems are turbidity or precipitation, discoloration and odor.
 
  In the production process of make-up water, stirring and mixing is very important, and the mixing speed must be controlled, otherwise the product is prone to precipitation.
 
  5. Gel water
 
   Gel water, also known as hand-pump type hair spray, is a transparent liquid hair cosmetic. Gel water can form a film on the hair, which plays the role of styling, moisturizing, conditioning and giving hair shine. The main raw materials of gel water are film-forming agent, solvent, moisturizer and ultraviolet stabilizer. The ideal gel water spray has good effect, has good conditioning and certain styling effect on the hair, and gives the hair a natural shine. The common quality problems are white precipitation, bad spray state, discoloration and taste change.
 
In the production process of gel water, stirring and dissolving is very important. It is required that the film-forming agent dissolves well, and water-insoluble substances such as fragrances are solubilized, otherwise the transparency of the product will decrease, and even precipitation may occur.

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