For most gray, one 15-minute wash does the job. Very white or stubborn gray, often at the temples, can need more. Leave it on up to 25 minutes, which also helps the color last. Prefer a soft, gradual change? Begin with 5 minutes.

Go by your natural color, not by the gray. The hair at the back of your neck is a good guide. Between two shades? Pick the lighter one. You can always leave it on longer next time for a deeper result.

No. Shadeday is made to color your hair, not your hands or your bathroom. Gloves are optional. Any drips on your skin wipe right off if you get to them within 5 minutes.

About 2 to 4 weeks, depending on how often you wash your hair. When your roots start to show, just do another Shadeday wash, with a fresh patch test 48 hours before.

About 10 to 15, depending on how long and thick your hair is. Long or very thick hair uses more per wash.

Yes, before every use. Dab a little behind your ear and wait 48 hours. Itching, redness or swelling? Don't use it. Skip Shadeday if your scalp is irritated or damaged, or if you've ever reacted to hair color.

Yes, but go slow. Highlights and lightened ends soak up color fast and can come out deeper or warmer than the rest of your hair. Test 5 minutes on a hidden strand first, then build up next time. Shadeday adds color. It can't lighten hair.

We ship within 1–2 business days, and your order arrives 5 to 12 business days after you place it. Shipping is tracked, and free from Buy 2, Get 1 and up ($3.99 / £2.99 on a single bottle). Your tracking link comes by email as soon as it ships.

Email contact@shadeday.com within 30 days of delivery. We'll refund your bottles in full, opened or not. That's our promise.