From Nature’s Loom to Your Formulations
Silk Amino Acids, originally derived from the silkworm’s cocoon, are renowned in the beauty and wellness industry. This collection of small molecular proteins offers moisture retention, skin protection, and a touch of nature’s luxury.
Silk amino acids, also known as silk protein or sericin, are water-soluble proteins found in silk. They are used in cosmetics and personal-care products like hair conditioner, hairspray, and skin creams.

Quick Insights
Ingredient Rating:
GOOD
Type of Ingredient:
Hydrator, Moisturizer, Conditioner, Anti-Frizz Agent and Volume Control Agent
Intended Function:
Penetrates into the upper layers of the skin as well as through the hair cuticle into the hair shaft, drawing moisture into these areas, improving skin and hair hydration
Common Applications:
Shampoos, conditioners, hair treatments, body wash, cleansers, body creams, lotions, gels, facial toners and moisturizers
Target Audience:
Can be included in formulations that help people with dry skin; dry hair; frizzy hair; damaged hair
Also Known As:
Sericin
Silk Amino Acids in Skincare & Haircare
In skincare, Silk Amino Acids function as powerful moisture-binding agents. Consequently, they hydrate the skin deeply, maintaining a plump and youthful appearance. A great addition for creams and moisturizers.
As for haircare, these amino acids play a pivotal role. They not only strengthen hair but also boost its elasticity and shine. Moreover, with their protein-rich content, they help restore hair’s natural moisture balance and provide a smooth, silky finish.
Silk Amino Acids in Wellness & Spa Products
Given their luxurious nature, Silk Amino Acids are often included in high-end spa treatments and wellness products. They impart a silky smooth texture to creams and lotions, enhancing the overall sensory experience. Furthermore, when incorporated into massage oils and balms, they offer a soft, velvety feel, making relaxation sessions even more indulgent.
Vegan Silk Amino Acids
If you are worried that using Silk Amino Acids in your formulation could prevent your brand from being Vegan, rest assured – there is already a solution! Thanks to biotechnological advances, silk amino acids can now be produced through fermentation, making them 100% Vegan. That eliminates the need for silkworms to be involved in the process of manufacturing silk amino acids. The resulting product through fermentation is identical to the amino acids produced by the silkworms, imparting the same benefits to all skincare, haircare and pet formulations. At Formunova, Vegan Silk Amino Acids are a popular choice among our customers.
Silk Amino Acids in Textile Innovations
Beyond beauty and wellness, Silk Amino Acids have also made their mark in the textile industry. They serve as natural conditioners for fabrics, adding a plush softness to garments and ensuring they remain gentle on the skin.
Safety Analysis
Silk Amino Acids are effective and non-irritating components that enhance formula quality, including texture and absorption. They are known for their excellent moisture preservation characteristics. Silk Amino Acids are generally considered safe for use in skincare and cosmetics.

References
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