Combine 100ml of hair dye &200ml of oxidant & mix these together until the mixture is smooth & consistent in colour & texture.
Start dying at the roots and let the hair colour remain between 40 to 50 minutes (according to your oxidant). Massage your hair with lukewarm water & then rinse them thoroughly. Wash your hair with a proper shampoo at the end.
Wash a small area of your elbow with soap & water & then dry it completely. Apply some of this product on the prepared area. Wait 48hr without covering or touching your skin.
If you notice any unusual symptoms, avoid consuming the product.