The base material in cosmetic and skin care products

The base materials in cosmetic and skin care products are as the following. It dominates over 50%.

The base material in cosmetic and skin care products


Hydrophobic 

Oil, fat, and wax are the basic material in cosmetic and skin care products. The sources are from plant, animal, mineral, and synthetic products.

The vegetable oil
   Olive oil
   Castor oil
   Apricot kernel oil
   Almond oil
   Avocado oil
   Evening primrose oil
   Kukui nut oil
   Macadamia nut oil
   Camellia oil
   Wheat germ oil
   Hybrid safflower oil
   Alfalfa oil
   Borage oil
   Rosehip oil
   Kiwi oil
   Sunflower oil
   Japan wax
   Jojoba oil
   Carnauba wax
   Candelilla wax

The animal oil
   Marten oil
   Lanolin
   Bee wax
   Spermaceti
   Chinese insect wax

The mineral oil
   Liquid paraffin/ paraffin oil
   Solid paraffin/ paraffin wax
   Vaseline/ petrolatum
   Ceresin
   Microcrystalline wax

The synthetic oil
   Squalene/ C30H62
   Silicon oil


Fatty acid (part of role is surfactant)
Saturated fatty acid
   Lauric acid
   Myristic acid
   Palmitic acid
   Stearic acid
   Isostearic acid
   Behenic acid


Unsaturated fatty acid
   Oleic acid
   Linoleic acid
   Γ-Linoleic acid
   Palmitoleic acid



Fatty alcohols (part of role is surfactant)
   Lauryl alcohol
   Cetyl alcohol
   Stearyl alcohol
   Oleyl alcohol
   Behenyl alcohol
   Lanolin alcohol
   Hydrogenate lanolin alcohol

Ester (part of role is surfactant)
   Isopropyl myristate/ IPM
   Isopropyl plmitate/ IPP
   Myristy myristate/ MM
   Cetyl myristate
   Isostearyl benzoate
   Lauryl benzoate
   Stearyl benzoate
   Proplene glycol dicaprylate
   Cety latate


Hydrophilic
The Stratum corneum in epidermis has natural moisturizing factors which help to hydrate. If the hydration is less 10%, the skin would be too dry and accelerate aging of skin. Adding humectants become a must in any kind of cosmetic and skin care products. 
Humectants could be two types.

1.      Traditional
   Propanediol/ propylene glycol/ PG
   Glycerin/ propanetriol
   Sorbititol
   1,3-butanediol
   Polyethylene glycol/ PEG
   Polypropylene glycol/ PPG
2.      NMF
   Lactic acid
   Sodium lactate
   Sodium 2-pyrrolidone-5-car-boxylate/ PCA
3.      Amino acid
4.      Polymer
   Hyaluronic acid/ HA
   Collagen
5.      Plant extract
   Plankton extract
   Silver birch extract
   Rose hips extract
   Yarrow extract

Powder
Under 300mesh (diameter is under 0.045mm)
Super micro 0.04-0.01um
1.      Cover
Top1: TiO2
Top2: ZnO
2.      Absorb fat, not absorb water
3.      Sticky
4.      Stretch
5.      Particle size
6.      Sun protection

   TiO2
   Kaolin/ china clay
   Magnesium carbonate
   Magnesium stearate
   Znic stearate
   Calcium carbonate/ CaCO3
   Znic oxide/ ZnO
   Talc/ Talcum power
   Mica/ KAL2(AlSi3)O10(OH)2
   Seritite
   Starchs
Polymeric powers

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