It takes 42 hours for 100% natural Henna to take its darkest stain.
If taken proper care before and after hennaing, Henna can last for more than 2 weeks.
If you are planning to do waxing and manicure and pedicure, it should be done a day before the henna session.
Exfoliating the areas, you want to be hennaed, few hours before the henna session, helps the henna fade less quickly.
Avoid any lotion or moisturizer the day of your henna session, because it forms a layer between skin and the henna and does not give the desired dark color.
After Henna :
Keep the Henna paste on the skin as long as possible. The longer you keep it, the darker the stain will be.
For best results keep it for 5 hours or overnight.
Henna dries in half an hour and starts cracking and falling off. Lemon sugar solution can be sprayed on dried henna design to make it stay longer on skin.
Keep hennaed area warm by wrapping it with toilette paper or kitchen towel tightly and wear breathable warm socks over the wrapped hands. Make sure not be too warm that your hands and feet start sweating and design gets all smudged inside.
To take the paste off, never use water. Just scrape off the paste, apply some oil and keep the hennaed area dry and warm as long as possible.(If henna is stuck too hard to your skin, please wet it with vegetable oil and use butter knife to scrape it off. NEVER WASH HENNA.
The henna stain will be orange at first and goes on turning dark gradually until around 42 hrs. It will be dark reddish brown color in around 42 hours.
Avoid Scrubbing the hennaed area and keep it moisturized after the henna paste is scraped off. Wear gloves or seal the design with oil before taking shower, doing dishes or swimming to make the henna stain last longer.