A composition and a cosmetic composition having the effect of whitening and brightening skin tone
A cosmetic composition and technology for brightening skin tone, which is applied to medical preparations containing active ingredients, cosmetics, cosmetic preparations, etc., can solve problems such as difficult to achieve expected effects, achieve inhibition of melanin production, even skin tone, and prevent pigmentation. The effect of skin surface transfer
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Embodiment 1-6
[0053] Table 1 shows the content (%) of each component of the cosmetic composition provided in Examples 1-6 including the composition with the effect of whitening and brightening skin tone.
[0054] Table 1:
[0055]
[0056]
[0057] The preparation method of the cosmetic composition of embodiment 1-6 comprises the following steps:
[0058] Mix glycerin, butanediol, dipropylene glycol, xanthan gum, and carbomer evenly, put into deionized water, stir and heat up to 85°C, keep stirring for 20 minutes, cool down to 60°C, add arginine, and cool down. To 45 ℃, add preservatives, citrus peel extract, Lizardia fruit extract, niacinamide, D-panthenol, soluble proteoglycan, stir and mix evenly, cool to room temperature, and discharge after passing the test, which is the prepared essence liquid.
Embodiment 7-13
[0091] Table 5 shows the content (%) of each component of the cosmetic composition provided by Comparative Examples 7-13 including the composition with the effect of whitening and brightening skin tone.
[0092] table 5:
[0093]
[0094]
[0095] The preparation methods of the cosmetic compositions of Examples 7-13 are the same as the preparation methods of the cosmetic compositions of Examples 1-6.
[0096] effect test
[0097] Test subjects: 70 healthy women aged 25-50 were randomly divided into 7 groups with 10 people in each group.
[0098] Test area: face (blank sample was used for the left face, and example sample was used for the right face).
[0099] To use: Apply once a day in the morning and evening for 4 weeks.
[0100] Test equipment: CK skin tester (Germany), VISIA full face analyzer (Germany).
[0101] Effect indicators: transdermal water loss rate, facial brightness L* value, fairness ITA°, among which, the lower the transdermal water loss rate, the b...
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