L-threonine in Cleaning Cosmetics

L-Threonine has multiple applications in cleansing cosmetics, primarily including the following aspects:  

1. As a Moisturizing Agent  

Retaining Skin Moisture: L-Threonine has excellent moisturizing properties, forming a hydration film on the skin’s surface to prevent moisture loss. When added to cleansing cosmetics such as facial cleansers and body washes, it helps the skin retain moisture even after cleansing, preventing dryness and tightness while leaving the skin feeling soft and smooth.  

Enhancing Skin Barrier Function: Sufficient hydration is crucial for maintaining the integrity of the skin barrier. Through its moisturizing effect, L-Threonine helps strengthen the skin barrier, improving its ability to resist external pollutants, bacteria, and environmental damage, thereby reducing potential irritation caused during cleansing.  

2. As an Auxiliary Ingredient for Surfactants  

Enhancing Cleansing Effectiveness: L-Threonine works synergistically with surfactants in cleansing cosmetics, boosting their cleaning ability. It helps surfactants reduce water's surface tension more effectively, allowing the cleanser to spread more evenly on the skin and efficiently remove dirt, oil, and makeup residue.  

Improving Foam Performance: In foaming cleansers such as facial foams and shower foams, L-Threonine helps regulate foam stability and texture, making the foam richer, finer, and longer-lasting. This not only enhances the cleansing experience but also provides consumers with a more pleasant and luxurious feel during use.  

3. For Soothing the Skin  

Reducing Irritation: Some ingredients in cleansing products may cause skin irritation. L-Threonine has soothing properties that help alleviate potential discomfort during cleansing, reducing redness, itching, and irritation. It is particularly suitable for sensitive skin care products.  

Promoting Skin Repair: L-Threonine plays a role in skin cell metabolism, providing essential nutrients that aid in skin cell repair and regeneration. Using products containing L-Threonine after cleansing can help the skin recover quickly and enhance its natural repair abilities.  

4. As a Nutritional Ingredient  

Replenishing Skin Nutrients: Cleansing can strip away some essential nutrients from the skin. As an amino acid, L-Threonine is an important nutrient required by skin cells. Adding it to cleansing cosmetics helps replenish nutrients, supporting cellular metabolism and maintaining normal skin functions.  

Boosting Skin Vitality: L-Threonine promotes cell metabolism and enhances cell activity, giving the skin a more radiant and energetic appearance. Long-term use of cleansing products containing L-Threonine can improve overall skin health, making it look younger and more vibrant.