Lactic acid

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INCI: Lactic acid

CAS No: 79-33-4
EC Nº: 201-196-2

Molecular Weight 90.08
Molecular Formula C3H6O3
Origin/Nature: Alpha and beta-hydroxy acids, products of biotechnology and fermentation technology

Our lactic acid is a naturally occurring alpha hydroxy acid produced by bacterial (various lactobacilli) fermentation of carbohydrates (sugar, starch). Rejuvenates the skin by promoting the shedding of old cells from the skin's surface. It can reduce the appearance of fine lines, uneven pigmentation, age spots, and diminishes large pores. Suitable for sensitive skin and first time peel users. Lactic acid is often used in creams and lotions at a lower concentration for a gentler acid-based exfoliation. It is also used in masks and cleansers. It is vegan and non-GMO, with no preservatives.

Appearance: Colorless or yellowish, almost odourless, syrupy liquid with an acid taste, formed by a mixture of lactic acid and lactic acid lactate.
Concentration: >= 70 - < 90 %
Solubility: Soluble in water
Synthesis method: Fermentation
Origin: Produced by bacterial fermentation (various lactobacilli) of carbohydrates (sugar, starch)
Use: in cosmetic industry.
Does not contain materials of human or animal origin, including products of bovine origin. Additionally, there are no animal-derived components used in the manufacturing or handling processes of this product. Therefore, this material can be declared free of Bovine Spongiform Encephalopathy (BSE). Bovine Spongiform (BSE) and Transmissible Spongiform Encephalopathy (TSE).
Free of Genetically Modified Organisms (GMO).

Precautions: Do not apply on bare skin, irritated or eczematous skin, eyes, and mucous membranes.

Dosage Topical route,

  • 0.5 - 5% as a moisturizing agent,
  • 5 - 10% as an anti-wrinkle or peeling agent,
  • 10% as a bactericidal agent in neonates, and
  • > 10% for the treatment of warts and hyperkeratosis.
  • As an acidifying agent, at 0.015 - 6.6%.

Incompatibilities: Oxidizing agents, iodides, albumin. Reacts violently with hydrofluoric and nitric acids. Carbopol gels and anionic emulsions.

Conservation: In tightly closed containers. PROTECT FROM LIGHT


What is Lactic Acid?

Lactic acid, also known as 2-hydroxypropionic acid or E-270, is an organic compound that belongs to the alpha-hydroxy acid (AHA) family. These acids are known for their multiple benefits in skin and hair care.

Lactic acid is a key ingredient in many natural cosmetic products and is obtained by fermenting sugars found in dairy products, fruits and vegetables. Now, how is lactic acid produced for use in cosmetics?

Lactic Acid Production in Natural Cosmetics

Lactic acid is obtained through a fermentation process in which bacteria, such as Lactobacillus, transform the sugars present in substances such as milk or fruit juice into lactic acid. This natural process is not only sustainable, but also makes it possible to obtain a high-quality, chemical-free product.

For use in cosmetics, lactic acid is purified and neutralized with minerals to obtain a suitable and safe product to apply to skin and hair.

Benefits of Lactic Acid for Skin and Hair

Lactic acid is a highly versatile ingredient that offers multiple benefits for skin and hair when used topically. Here are the main benefits of this wonderful compound:

  • Gentle exfoliation: Lactic acid is a natural exfoliant that helps remove dead cells from the skin and scalp. This promotes cell renewal and reveals softer, more luminous skin and hair.
  • Hydration: This acid is also a powerful humectant that locks in moisture in the skin and hair. By improving hydration, skin appears smoother and more elastic, while hair becomes more manageable and less prone to split ends.
  • Collagen Stimulation: Lactic acid can help stimulate collagen production in the skin, resulting in a younger, firmer appearance. In addition, by improving the elasticity of the hair, it makes it more resistant to breakage and loss.
  • Reduction of spots and marks: Thanks to its exfoliating and lightening properties, lactic acid can be a great ally to reduce the appearance of spots, acne marks, and scars on the skin. It can also help improve the appearance of dull, lifeless hair, giving it more shine and vitality.
  • pH Balance: Lactic acid helps balance the pH of the skin and scalp, which can help prevent problems like irritation, redness, and dandruff.

Who can benefit from using Lactic Acid? Skin Types

Lactic acid is suitable for all skin types, but is especially beneficial for the following conditions:

  • - Dry or dehydrated skin: Its ability to retain moisture in the skin helps improve hydration and relieve dryness.
  • - Oily or acne-prone skin: By gently exfoliating and balancing the pH, lactic acid can help reduce sebum production and prevent the formation of pimples.
  • - Mature skin: By stimulating collagen production and promoting cell renewal, lactic acid helps fight the signs of aging, such as wrinkles and sagging.
  • - Skin with blemishes or scars: Thanks to its lightening and exfoliating properties, lactic acid can improve the appearance of skin with marks and blemishes.

In addition, lactic acid can also be useful for all types of hair, especially those that have problems with dryness, dullness or dandruff.

What products can I make using Lactic Acid and what is the dosage in body, face and hair products in grams?

Lactic acid can be incorporated into a wide variety of natural cosmetic products, including creams, lotions, masks, scrubs, shampoos, and conditioners. Below, we indicate the recommended doses of lactic acid for different types of products:

  • - Creams and body lotions: Between 1% and 2%
  • - Facial products (creams, serums, masks): Between 0.5% and 1%
  • - Shampoos and conditioners: Between 1% and 3%

Remember that it is important to perform a sensitivity test on a small area of skin before using lactic acid products, especially if you have sensitive skin or have never used this ingredient before.

In short, lactic acid is a versatile and effective ingredient in natural cosmetics, offering numerous benefits for skin and hair. Now that you know everything this compound can do for you, don't hesitate to incorporate it into your beauty routine and enjoy its wonderful properties. Your skin and hair will thank you!

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