Final answer:
Nail bleach or whiteners typically contain active bleaching agents such as hydrogen peroxide or formulations with bleach activators. These substances work by breaking down stains and pigments, leading to a whitening effect on the nails.
Step-by-step explanation:
The active ingredient in nail bleach or whiteners is typically a compound that serves as a bleaching agent. In the context of household and laundry bleaching products, the main bleaching agent is often sodium hypochlorite, which is known for its disinfectant and bleaching properties. However, nail bleach may contain different bleaching compounds. Such products may also contain other chemicals such as hydrogen peroxide or specific formulations designed to work effectively at lower temperatures, often in conjunction with bleach activators like tetraacetylethylenediamine (TAED). These activators help produce peracetic acid from hydrogen peroxide, enhancing the bleaching effect at lower temperatures.
In general, bleaching agents work by breaking down pigments or stains, resulting in a whitening effect. When choosing nail bleaching products, it's important to consider the specific active ingredients and their potential effects on the nails and skin. Always use such products according to the manufacturer's instructions and take appropriate safety precautions to avoid chemical burns or allergic reactions.