The product you're asking about, Welltno Fruit Vinegar Hair Color Dark Brown 250ml 2* (often sold as a set of two 250ml bottles, a Colorant and a Developer), is a type of hair dye that is popular in several markets, especially in South Asia.

The "Fruit Vinegar Hair Color" concept is a trend in at-home hair coloring, often marketed as a gentler alternative to traditional ammonia-based dyes.

Here are the key details about this type of product:

? Key Features

Color: Dark Brown

Volume: Typically sold as a pack of two 250ml bottles (Colorant and Developer) that are mixed together.

Formula Claims: It is frequently marketed as: