30 volume developer is a cream developer that contains 9% hydrogen peroxide, and it lifts hair color up to three to four levels. It is a strong developer and is not suitable for thin or fine hair as it may lead to hair damage. It is best suited for covering gray hair. Here are some positive and negative aspects of 30 volume developer:
Positive:
- Provides maximum protection of the hair and scalp
- Ensures stronger, smoother, and healthier hair during and after the hair coloring process
- Lifts hair color up to three to four levels
Negative:
- Accidental ingestion of undiluted product may cause mild gastrointestinal irritation with nausea, vomiting, and diarrhea.pdf)
- Not suitable for thin or fine hair as it may lead to hair damage
Ingredients or materials of 30 volume developer may vary depending on the brand. For example, LOreal Paris Oreor 30 Volume Creme Developer contains water, hydrogen peroxide, cetearyl alcohol, sodium lauryl sulfate, and salicylic acid. ion Color Brilliance Sensitive Scalp 30 Volume Creme Developer contains water, hydrogen peroxide, cetearyl alcohol, ceteareth-20, stearic acid, glyceryl stearate, PEG-100 stearate, and wheat germ protein. Clairol Professional Clairoxide 30 Volume Clear Liquid Developer contains water, hydrogen peroxide, and phosphoric acid.pdf).
