Recently, in the fields of professional skincare, functional cosmetics, and post-medical aesthetic repair, Alpha Hydroxy Acid Powder (AHA Powder)—an active ingredient with both efficient keratin regulation and gentle skin renewal properties—has continued to be a "core skin-renewal component" in skincare formula development, thanks to its advantages of high purity, controlled release, and wide adaptability. As a core member of the fruit acid family, AHA Powder breaks the limitations of traditional liquid fruit acids (such as strong irritation and difficult concentration control) and, with its characteristics of "precise efficacy, mildness and low sensitization, and easy compounding", is widely used in serums, masks, skin-renewal sets, and other products. It provides a scientific and safe skin-renewal solution for consumers pursuing smooth and delicate skin, driving the skincare market toward an upgrade of "balancing high efficiency and gentleness".
In terms of the product's essence, Alpha Hydroxy Acids (AHAs) are a class of organic acids derived from natural plants or synthesized artificially. Their core structure features a carboxyl group (-COOH) and a hydroxyl group (-OH) attached to the same carbon atom. Based on differences in carbon chain length and sources, common types include glycolic acid (from sugarcane), lactic acid (from milk), malic acid (from apples), and citric acid (from citrus fruits). Alpha Hydroxy Acid Powder is a white to off-white fine powder produced through crystallization purification and low-temperature drying processes. It has no obvious odor, is easily soluble in polar solvents such as water and glycerin, and can be well compounded with various skincare ingredients including moisturizers, soothing agents, and antioxidants, with strong concentration controllability.
Its core characteristics lie in "water solubility" and "keratin-dissolving activity": AHA molecules can quickly penetrate the skin's stratum corneum, break down desmosomal connections between keratinocytes (mainly hydrogen bonds in intercellular lipids), promote the shedding of aged keratinocytes, and stimulate the production of new keratinocytes to achieve a "skin renewal" effect. Compared with oil-soluble beta-hydroxy acids (BHAs), AHAs focus more on superficial keratin metabolism, with more significant effects on shallow acne and uneven skin tone, and better mildness (lower irritation than BHAs at the same concentration). Compared with liquid fruit acids, AHA Powder has stronger stability (avoiding oxidation and deterioration issues in liquid form), and formulators can accurately adjust the addition concentration according to product positioning (usually 5%-15% in daily skincare products, and up to 20%-30% in medical aesthetic-grade skin-renewal products), adapting to the needs of different skin types. After years of scientific research and market verification, relying on its four core advantages of "keratin metabolism, skin brightening, pore refinement, and texture improvement", Alpha Hydroxy Acid Powder has demonstrated outstanding efficacy in four major fields—daily skin renewal, problematic skin conditioning, post-medical aesthetic repair, and functional cosmetics—becoming an "efficient skin-renewal ingredient" in the skincare industry.
The core efficacy of AHA Powder is the precise metabolism of aged keratin. Its water-soluble molecules can quickly penetrate the stratum corneum, gently dissolve the adhesive substances between keratinocytes, and promote the natural shedding of old and waste keratin, avoiding friction damage to the skin caused by traditional physical exfoliation products. For skin problems such as roughness, dullness, and flaking caused by keratin accumulation, skincare products containing 8%-12% AHA (such as skin-renewal serums and exfoliating masks) can significantly improve skin smoothness and create a delicate texture after 2-4 weeks of use. Compared with oil-soluble acids like salicylic acid, AHAs have less impact on the skin barrier; even dry skin and slightly sensitive skin can use them 1-2 times a week after building tolerance to achieve gentle exfoliation. Clinical tests show that after 8 weeks of using a serum containing 10% glycolic acid powder, the average thickness of the subjects' stratum corneum decreased by 18%, and the skin smoothness score increased by 42%.
Aged keratin accumulation is a key cause of dull skin tone and deepened pigmentation. By promoting keratin metabolism, AHA Powder can quickly remove superficial old keratin containing melanin, while stimulating skin metabolism and increasing skin blood flow, giving the skin a radiant glow from the inside out. For problems such as post-sun pigmentation, post-inflammatory hyperpigmentation (e.g., acne marks), and congenital uneven skin tone, skin-renewal products containing 10%-15% AHA (combined with whitening ingredients such as vitamin C derivatives and niacinamide) can accelerate melanin metabolism. After 12 weeks of continuous use, the average depth of pigmentation decreased by 20%-30%, and skin tone uniformity improved significantly. In addition, AHAs can enhance the absorption efficiency of subsequent whitening and moisturizing ingredients, doubling the skincare effect. Many users report that after using AHA skin-renewal products, problems such as dull and yellowish skin are significantly improved, and the skin presents a natural glow even without makeup.
One of the core causes of enlarged pores is keratin accumulation and oil clogging at the pore openings. By metabolizing old keratin at the pore openings, AHA Powder can effectively clean oil residues and dirt inside the pores, preventing pores from becoming enlarged due to clogging. At the same time, its role in promoting skin regeneration can enhance the elasticity of the skin around the pores, creating a visually shrinking effect on pores. For enlarged pores in oily and combination skin, toners and serums containing 12%-15% AHA can be used as daily skincare products; daily use (avoiding the eye area) can continuously clean pores, and combining with oil-controlling ingredients (such as witch hazel extract and zinc salts) can further enhance the pore-refining effect. Clinical data shows that after 12 weeks of continuous use of skincare products containing 15% glycolic acid powder, the average pore area on both sides of the subjects' noses decreased by 25%-30%, and skin firmness improved significantly.
AHA Powder can improve skin texture and reduce fine lines and dry lines (such as under-eye fine lines and nasolabial folds) caused by skin dryness and collagen loss by stimulating the synthesis of collagen and elastic fibers in the skin's dermis. The mechanism is as follows: healthy metabolism of the stratum corneum provides a good environment for the proliferation of dermal cells; at the same time, AHA molecules can penetrate the superficial dermis, activate the activity of fibroblasts, and promote collagen production, making the skin more elastic and resilient. For fine lines and dry lines in early aging skin, anti-aging serums and creams containing 10%-15% AHA can reduce the average depth of fine lines by 15%-20% and increase the skin elasticity score by more than 30% after 16 weeks of continuous use. When compounded with anti-aging ingredients such as retinol and peptides, the anti-wrinkle effect can be further enhanced, making it a "golden combination" for anti-aging skincare.
Alpha Hydroxy Acid Powder are now available for purchase at Xi’an Biof -Technology Co., Ltd. For more information , visit https://www.biofingredients.com.
XI'AN BIOF BIO-TECHNOLOGY CO.,LTD
Email: Tom@xabiof.com
Tel/WhatsApp: +86-15091533695
Website: https://www.biofingredients.com
Post time: Nov-26-2025
