Hello there, We have 15 years of experience in making all natural, chemical free henna cones . Dark stain is guaranteed. They are safe to use on kids and pregnant mom to be. You can freeze them for 1 year and stain will stay fresh. Please email us at leezeeshenna@gmail.com to place your order. Pick up in Ajax and Markham. We can ship it to you as well . Please follow us on Instagram and TikTok @leezeeshenna Thanks