A henna tattoo will usually fade in a few weeks to months, but several effective methods can remove henna faster. Henna dyes the outermost skin layer, much like self-tanner. Many different exfoliating and cleansing methods may remove henna from the skin.
Hereof, how do you do henna for beginners?
Keeping this in consideration, does toothpaste remove henna?
Whitening toothpaste
Put the whitening ingredients of your toothpaste to good use by applying a generous amount to your henna tattoo and rubbing it in. Let the toothpaste dry before using an old toothbrush to gently scrub the toothpaste off.