Methods for Repairing Hair and Skin
A technique for treating hair and hair, applied in the field of compositions for treating hair or skin, capable of solving problems such as incompatibility
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Examples
Embodiment 1
[0233] Example 1: Comparison of Traditional Perm and Perm Using Bismaleate Binder
[0234] review
[0235] Hair samples were obtained from human subjects and cut into 1 / 2 inch wide hair strands.
[0236] Reducing agent: Ammonium thioglycolate (ATG) was obtained from the permanent wave kit manufactured by Zotos. In addition, 300 mg of dithiothreitol in 10 g of solution was used as reducing agent.
[0237] Binding formulation: use bismaleate binder (2,2'-(ethane-1,2-diylbis(oxyl))bis(ethyl) at a concentration of 300 mg in 10 g of total solution (water) -1-amine) bismaleate).
[0238] method
[0239] Method for using the binding agent to perm hair
[0240] Wash hair with a cleansing shampoo, towel dry, and wrap around a curling iron. Then, ammonium thioglycolate or dithiothreitol is applied to the hair and left on for 10 minutes to 1 hour. Next, rinse hair for 30 seconds to 1 minute, then towel dry.
[0241] The binding formulation is applied to the hair via a needle ...
Embodiment 2
[0245] Example 2: Comparison of Hair Breakage Due to Repeated Application of Traditional Perm and Bonding Formulations
[0246] method
[0247] Obtain 2 hair samples. Two samples were treated with dithiothreitol or ammonium thioglycolate as described in Example 1. One of the hair samples was then treated with the binding formulation, while the other was neutralized with hydrogen peroxide. The procedure is done on the same day as the hair is treated with the binding formulation. The procedure described was done in 3 days using hydrogen peroxide (traditional perm).
[0248] The procedure was repeated 3 times for each sample over a period of 48 hours.
[0249] result
[0250] The second hair sample treated with the binding formulation showed little or no signs of breakage upon visual inspection. However, the first hair samples treated with hydrogen peroxide showed significant breakage.
Embodiment 3
[0251] Example 3: Comparison of the degree of damage to hair (preliminarily relaxed using a Japanese relaxer)
[0252] method
[0253] Two samples of hair were obtained, the first sample was previously straightened using a Japanese relaxer (Yuko) and the second sample was previously straightened using a no lye relaxer (African Pride Miracle Deep Conditioning). Samples were treated with binding formulations as described in Examples 1 and 2.
[0254] Another hair sample was obtained which had been previously straightened using a no-lye relaxer (African Pride Miracle Deep Conditioning). The samples were treated with a traditional hair straightening perm (Zotos).
[0255] result
[0256] Hair samples treated with the binding formulation showed no apparent damage. However, samples treated with conventional perms showed significant damage even during application.
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