Butylene Glycol
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CAS: 107-88-0
INCI: 1,3 Butylene Glycol
Chemical Structure:
- Butylene glycol is a small organic alcohol with the chemical formula C4H10O2.
- It is a diol, meaning it has two hydroxyl (OH) groups.
Physical Properties:
- Appearance: Clear, colorless liquid.
- Odor: Nearly odorless.
- Texture: Lightweight and easily spreadable.
Solubility:
- Butylene glycol is water-soluble, which makes it a versatile ingredient in cosmetic and skincare formulations.
Functions and Uses:
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Humectant: Butylene glycol is valued for its humectant properties. It attracts and retains moisture, helping to keep the skin hydrated.
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Solvent: It is commonly used as a solvent for various cosmetic ingredients, aiding in the dissolution and stability of formulations.
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Skin Conditioning Agent: Butylene glycol can enhance the texture and feel of skincare products, contributing to a smoother and more pleasant application.
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Penetration Enhancer: It can improve the penetration of other active ingredients into the skin, increasing the efficacy of certain formulations.
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Stabilizer: Butylene glycol helps maintain the stability and consistency of products, preventing them from drying out or separating.
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Preservative Booster: It can enhance the effectiveness of certain preservatives, contributing to the overall shelf life of cosmetic products.
Common Applications:
- Butylene glycol is found in a wide range of skincare and cosmetic products, including moisturizers, serums, toners, creams, and hair care products.
Compatibility:
- It is generally well-tolerated by various skin types, including sensitive skin.
- Butylene glycol is compatible with many other cosmetic ingredients, making it a versatile component in formulations.
Concerns:
- While it is generally considered safe for topical use, individuals with specific skin sensitivities should be mindful and perform patch tests when trying new products.
Regulatory Status:
- Butylene glycol has been deemed safe for use in cosmetics by regulatory agencies, such as the U.S. Food and Drug Administration (FDA) and the European Commission.
