Glyceryl monothioglycolate is a component in “acid” permanent waving formulations.
How can I avoid it?
Glyceryl monothioglycolate can be avoided by not using permanent hair-waving solutions that contain this chemical. These solutions are found only in salons in the United States and are usually referred to as acid or hot permanents. These permanents can be identified because the packages usually contain three bottles or containers. There is no cross-reactivity with ammonium thioglycolate, the active ingredient in alkaline permanents, which can be recognized because these preparations contain only two bottles or containers. Salon product labeling, which is voluntarily being introduced in the United States, should help hairdressers and clients to avoid glyceryl monothioglycolate. Hair that has been permed with glyceryl monothioglycolate may have persistence of allergen for at least 3 months after permanent, and this can cause long-lasting dermatitis in clients or beauticians. Glyceryl monothioglycolate easily penetrates through many rubber and vinyl gloves, which makes it difficult to impossible for beauticians to continue permanent hair-waving with this allergen.
Essential ingredient in acid permanent hair-waving solution
Other names for glyceryl monothioglycolate:
Acetic acid, mercapto-, mono ester with 1,2,3 propanetriol
Acid permanent waves
Hot permanent waves
Mercaptoacetic acid, mono ester with 1,2,3 propanetriol
Free of the following top common allergy causing ingredients
Common Preservative Free
Free of formaldehyde and the most common allergy causing preservatives such as benzalkonium chloride, formaldehyde, benzophenone, methyldibromo glutaronitrile, MCI/MI and others.
Free of fragrances and the most common allergy causing botanicals such as balsam of peru, cinnamic aldehyde, propolis (bee glue) and many more.
Free of allergy causing parabens and related esters such as benzocaine, PPD and others.
Free of allergy causing lanolins, esters, waxes and other wool related ingredients.
Free of coconut and related allergy causing coconut derivatives
Topical Antibiotic Free
Free of topical antibiotics such as neomycin and bacitracin.
Free of Methylisothiazolinone, Methylchloroisothiazolinone and related kathon-like ingredients.
Free of added nickel and cobalt related ingredients.
Free of ADDED gluten and other wheat-related ingredients, including barley, rye and oat. However, highly processed ingredients derived from wheat, barley, rye, and oat (e.g., glycerin or tocopherol) will not be excluded by SkinSAFE
Our Soy filter excludes products with soy ingredients (e.g., soybean oil). However, highly processed ingredients derived from soy (e.g., glycerin or tocopherol) will not be excluded by SkinSAFE.
Propylene Glycol Free
Free of the vehicle (gives substance) propylene glycol and similar vehicles.
Find Lip Safe cosmetics. LipSafe is the same as "Top Free" and free of LANOLIN too, Lip Safe aka the kissing badge keeps your lips more kissable.
Free of the top common allergy causing ingredients (fragrances, preservatives, topical antibiotics, sunscreens and metals), surfactants (cocamidopropyl betaine) and harmful hormone-altering chemicals and ingredients.
Free of the most common fragrances, preservatives, soap and glue ingredients that cause eyelid rashes (It’s Top Free plus no gold, thimerosal, soaps related to cocamidopropyl betaine, or glues/adhesives like shellac or acrylate monomers)
Free of harmful hormone-altering chemicals and ingredients that may affect teen development, such as Phthalates, Parabens, Triclosan, Benzophenone-3 and related ingredients.
Non-Comedogenic / Oil Free
Free of common comedogenic (pore blocking and breakout-causing) ingredients and oils