Composition capable of tightening vagina and recovering elasticity and preparation method thereof

By using hydrolyzed collagen peptides of specific molecular weight, composite cross-linking agents, and pH-responsive carrier technology, the problems of low membrane permeability and poor stability of ingredients in vaginal care products have been solved, achieving efficient repair and stability for vaginal tightening and restoration.

CN120939208APending Publication Date: 2025-11-14广州市幽蜜生物科技有限公司 +1
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Patent Information

Application Number
CN202511274664.1
Authority / Receiving Office
CN · China
Patent Type
Applications(China)
Current Assignee / Owner
Filing Date
2025-09-08
Publication Date
2025-11-14

AI Technical Summary

Technical Problem

Existing vaginal care products suffer from problems such as low transmembrane efficiency of ingredients, lack of synergistic mechanism of action, and poor stability of active ingredients, failing to effectively address the repair and maintenance of collagen fiber networks.

Method used

A composition with vaginal tightening and elasticity restoration is formed by using hydrolyzed collagen peptides with a molecular weight of 1800-3800 Da, a complex cross-linking agent, a plant tannin delivery system, and a fibroblast activating factor, through chemical grafting and pH-responsive carrier technology.

Benefits of technology

It achieves precise transmembrane penetration of collagen peptides, dual repair function of cross-linking agents, intelligent controlled release of plant tannins, and efficient activation of fibroblasts, thereby improving the vaginal tightening and recovery effect and the stability of the ingredients.

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Abstract

The invention provides a composition capable of tightening vagina and recovering elasticity and a preparation method thereof, and the composition comprises the following components in parts by mass: 75-130 parts of a collagen structure repairing unit, 25-55 parts of a composite cross-linking agent, 8-35 parts of a fibroblast activating factor and 12-38 parts of a plant tannin delivery body. The problem of membrane permeation is solved through high-activity hydrolyzed collagen peptide, a difunctional cross-linking system is formed by chemical grafting of dermatan sulfate and carboxymethyl beta-glucan, the fibroblast activation efficiency is enhanced by means of a zinc ion mediated polypeptide complexing structure, and the bottleneck in the prior art is remarkably broken through on key indexes.
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