Denatured alcohol, also known as “alcohol denat.” or “SD Alcohol”, is a type of alcohol that has been mixed with toxic additives to make it unfit for human consumption. It is commonly used in skincare and cosmetics for its formulation benefits, such as helping products spread easily, absorb quickly, and act as a preservative. However, it can be excessively drying and cause irritation to the skin barrier.
Acts as a solvent, penetration enhancer, creates cosmetically elegant, light formulas, great astringent and antimicrobial.
Not suitable for dry or sensitive skin
Excessive dryness, disruption of the skin barrier, potential breakouts, skin irritation, and redness. Frequent use can increase oiliness and enlarge pores.
Avoid using products containing denatured alcohol, especially if you have dry or sensitive skin. Read ingredient labels carefully and look for alternatives that do not contain alcohol denat or SD alcohol.
Denatured alcohol is derived from ethanol, which is a basic form of alcohol.
The Cosmetic Ingredient Review (CIR) Expert Panel has determined that the following types of denatured alcohols are safe for use in skincare and cosmetics at concentrations between 0.05% and 12%. Alcohol Denat SD Alcohol 3-A. SD Alcohol 30. SD Alcohol 39-B. SD Alcohol 39-C. SD Alcohol 40-B. SD Alcohol 40-C denatured with t-Butyl Alcohol, Denatonium Benzoate, Diethyl Phthalate, or Methyl Alcohol.
NA
Alcohol denat. is a controversial ingredient with both immediate skincare benefits and potential longer-term drawbacks. It is debated whether regular exposure to alcohol damages the skin barrier and causes inflammation. Fatty alcohols, such as cetyl, stearyl, and cetearyl alcohol, are non-irritating and less sensitizing to the skin. They can be used as emulsifiers, thickeners, and stabilizers in skincare products. Alcohol in skincare can be drying and irritating, especially for those with sensitive skin. It can also disrupt the skin's natural barrier, making it more susceptible to damage. Additionally, alcohol can increase the absorption of other ingredients, both beneficial and harmful, into the skin. Denatured alcohol can be found in various skincare products, including toners, astringents, and oil-control products. It is also used in some moisturizers as a solvent, astringent, or quick-drying agent. If you have dry or sensitive skin, it is best to avoid products containing denatured alcohol. You may also want to avoid products containing fatty alcohols if you are prone to breakouts. Alcohol denat is commonly found in products like moisturizers, serums, toners, makeup, shaving products, and hair products.
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