As a hair care expert with years of experience in the industry, I can provide you with a detailed answer regarding the use of hydrogen peroxide on hair.

Hydrogen peroxide is a common ingredient in hair bleaching and lightening products. It works by breaking down the natural pigments in the hair shaft, allowing for the lightening process to occur. However, the use of hydrogen peroxide on hair can have both positive and negative effects.

Positive Effects:

1. Lightening: It is an essential component in hair lightening formulas, providing the necessary oxidation to lift hair color.

2. Bleaching: It can be used to bleach hair to a lighter shade or to remove unwanted color.

Negative Effects:

1. Damage: Prolonged or improper use can lead to hair damage, including dryness, breakage, and split ends.

2. Allergic Reactions: Some individuals may have an allergic reaction to hydrogen peroxide.

3. Uneven Results: If not used correctly, it can lead to uneven lightening or color results.

It is important to note that hydrogen peroxide is typically used in a diluted form in hair products, and the concentration levels are regulated to minimize harm. However, it should be used with caution and preferably under the guidance of a professional to avoid potential damage.

In conclusion, while hydrogen peroxide can be beneficial for lightening hair, it should be used responsibly and with an understanding of the potential risks involved.

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Ammonia can cause the hair to lose moisture, and the hair colour to fade. However, there are alternatives that don't use ammonia. Hydrogen peroxide itself is a harmful chemical, but it is diluted before being used on the hair so only a small amount goes on your head.read more >>