| 摘要 |
Topical application of compositions containing an alkanolamine such as dimethylaminoethanol increase smoothness and surface uniformity of hair and nails and enhances hair and nail growth. Application to the hair and underlying skin areas containing the hair bulbs, fingernails or toenails and paraungual areas containing the nail matrices increases the elasticity and enhances the luster of hair and nails, provides emolliency to their keratin matrix, and quells inflammation to promote superior keratin formation. Alkanolamine compositions contain at least one other adjunct ingredient such as tyrosine, lipoic acid, folic acid, an alpha-hydroxy acid, or a fatty acid ester of ascorbic acid in most embodiments to augment beneficial effects of the treatments.
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