Skin care composition with effects of realizing repairing and regenerating, supplementing water, preserving moisture and delaying aging
A skin care composition, repair and regeneration technology, applied in medical preparations containing active ingredients, skin care preparations, cosmetics, etc., can solve problems such as skin edema, uneven quality, and threats to skin health
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[0078] The preparation method of described modified chitosan comprises the following steps:
[0079] (1) Guanidine chitosan: Add chitosan, 2-morpholineethanesulfonic acid / hydrochloric acid buffer (2-morpholineethanesulfonic acid concentration 25mmol / L, pH=5) into the reactor, stir and dissolve , add coupling agent EDC (1-ethyl-(3-dimethylaminopropyl) carbodiimide hydrochloride) and NHS (N-hydroxysuccinimide), stir for 0.5h; add N-form Guanidinoacetic acid was continuously reacted for 12 hours under stirring at room temperature, and a small amount of hydroxylamine hydrochloride was added to terminate the reaction, and the pH was adjusted to 9 with standard sodium hydroxide solution to obtain a guanidino chitosan product, which was loaded into a container with a molecular weight cut-off of 8000 Dialysis bag, freeze-dried after one week of distilled water dialysis, obtains guanidinated chitosan; The weight ratio of described chitosan and described 2-morpholineethanesulfonic acid / ...
Embodiment 1
[0096] The cosmetic is an emulsion. Calculated in parts by weight, the skin care composition with the functions of repairing, regenerating, moisturizing, and anti-aging in the cosmetic includes:
[0097]
[0098] The skin care composition with functions of repairing and regenerating, moisturizing and anti-aging includes A component, B component and C component; the A component is Dendrobium candidum extract, aloe extract, bergamot extract, Centella extract, Chayote extract, Selaginella extract, the Dendrobium officinale extract and the Aloe extract, the Bergamot extract, the Centella Asiatica extract, the Chayote extract, The weight ratio of the Selaginella extract is 0.6:7:0.5:1.2:1.1:0.7; the B component is oligopeptide-1, palmitoyl tripeptide-5, acetyl pentapeptide-1, the oligopeptide-1 The weight ratio of peptide-1 to the palmitoyl tripeptide-5 and the acetyl pentapeptide-1 is 1:0.6:0.3; 3.6% of the weight of the skin care composition for moisturizing and anti-aging; t...
Embodiment 2
[0107] The cosmetic is an emulsion. Calculated in parts by weight, the skin care composition with the functions of repairing, regenerating, moisturizing, and anti-aging in the cosmetic includes:
[0108]
[0109] The skin care composition with functions of repairing and regenerating, moisturizing and anti-aging includes A component, B component and C component; the A component is Dendrobium candidum extract, aloe extract, bergamot extract, Centella extract, Chayote extract, Selaginella extract, the Dendrobium officinale extract and the Aloe extract, the Bergamot extract, the Centella Asiatica extract, the Chayote extract, The weight ratio of the Selaginella extract is 0.2:7:0.5:1:1.1:0.3; the B component is oligopeptide-1, palmitoyl tripeptide-5, acetyl pentapeptide-1, the oligopeptide-1 The weight ratio of peptide-1 to the palmitoyl tripeptide-5 and the acetyl pentapeptide-1 is 1:0.6:0.3; 3.6% of the weight of the skin care composition for moisturizing and anti-aging; the...
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