All of the following statements describe ammonium thioglycolate relaxers EXCEPT:
a) for wavy to curly hair
b) for tightly curled or resistant hair
c) not as strong or harsh as sodium hydroxide relaxers
d) do not require base cream to be applied to the scalp
The Correct Answer and Explanation is:
The correct answer is b) for tightly curled or resistant hair.
Explanation:
Ammonium thioglycolate relaxers are a type of chemical hair relaxer used primarily to alter the texture of hair, making it straighter. They are particularly effective for wavy to curly hair but are generally not recommended for tightly curled or resistant hair types. Here’s a detailed breakdown of the statements:
- For wavy to curly hair (a): Ammonium thioglycolate relaxers are formulated to loosen and straighten wavy or curly hair. They work by breaking the disulfide bonds in the hair’s protein structure, allowing the hair to be reshaped. This makes them suitable for individuals with loose to medium curl patterns who desire a smoother texture.
- For tightly curled or resistant hair (b): This statement is incorrect. While ammonium thioglycolate can relax hair to some degree, it is typically not strong enough for tightly curled or resistant hair types. Hair that is very curly or coarse may require a more robust relaxer, such as sodium hydroxide, which is stronger and more effective on resistant textures. Using ammonium thioglycolate on such hair could result in inadequate straightening, leading to potential damage if multiple applications are attempted.
- Not as strong or harsh as sodium hydroxide relaxers (c): This statement is accurate. Ammonium thioglycolate is milder compared to sodium hydroxide, making it a more suitable option for clients who may experience sensitivity or damage from harsher relaxers. The gentler formulation reduces the risk of scalp irritation and hair breakage.
- Do not require base cream to be applied to the scalp (d): This statement is also correct. Unlike sodium hydroxide relaxers, which typically require a protective base cream on the scalp to prevent burns and irritation, ammonium thioglycolate relaxers do not necessitate this step, making the application process simpler.
In summary, while ammonium thioglycolate relaxers are effective for wavy to curly hair and are milder than sodium hydroxide relaxers, they are not ideal for tightly curled or resistant hair types.