Semi-Permanent Colour Shampoo

Colour your grey away. In the shower.

The RenewLab Colour Shampoo gradually covers grey hair with every wash — no mess, no gloves, no waiting around with foils. A semi-permanent, natural-looking colour that builds with each use, available in Black, Brown and Purple. The simplest way to keep your colour fresh between salon visits.

✨ Why you'll love it

• Covers grey gradually — colour builds naturally with repeated use, no harsh single-application result
• Works like your normal shampoo — simply replace your regular shampoo, no separate dye process needed
• No mess, no gloves required — rinses cleanly, no staining on skin or surfaces with normal use
• Natural-looking results — gradual colour build avoids a flat, obviously dyed appearance
• Suitable for men and women — unisex formula and application
• Three shade options — Black, Brown and Purple to suit your natural or desired tone
• Semi-permanent — fades gradually over time rather than leaving a harsh regrowth line

💆 How to use it

1. Patch test first — always patch test 48 hours before first use, as with any hair colour product
2. Wet hair — thoroughly wet your hair as you would before normal shampooing
3. Apply — massage the shampoo through, focusing on grey areas, and leave on for 5–10 minutes
4. Rinse thoroughly — rinse until water runs clear
5. Repeat as needed — use 2–3 times per week initially to build colour, then as needed to maintain

⚠️ Important safety information

• Always patch test 48 hours before use — apply a small amount to skin (such as behind the ear) and wait 48 hours to check for any allergic reaction before applying to hair
• Do not use if you have a known allergy to hair colourants or have previously reacted to a hair dye product
• Do not use on broken, irritated or sunburnt scalp skin
• Avoid contact with eyes — rinse thoroughly with water if contact occurs
• Wear gloves if you have sensitive skin, even though normal use typically does not require them
• Keep away from children
• Discontinue use if irritation, redness or swelling occurs and seek medical advice if symptoms persist
• Results vary depending on natural hair colour, hair type and porosity

🎨 Shade guide

• Black — deep, rich coverage for naturally dark hair
• Brown — warm, natural-looking coverage for medium to dark brunette tones
• Purple — a bold, fashion-forward shade for those wanting something different
• Red — another bold, fashion-forward shade for those wanting something different

📦 Product details

• Size: 200ml
• Format: semi-permanent colour shampoo
• Available shades: Black, Brown, Purple
• Suitable for: men and women, all hair types
• Use: 2–3 times weekly to build colour, then as needed to maintain

🚚 Delivery & returns

• Free UK delivery on all orders
• Tracking link sent by email once dispatched
• Due to hygiene regulations, opened hair colour products cannot be returned unless faulty

⭐ The easiest grey coverage routine there is
"I was sceptical a shampoo could actually cover grey but after about a week of using it 3 times the difference is really noticeable. So much easier than booking in for colour every few weeks." — Mark D., Sheffield
"Bought the brown for my husband and he's stuck with it ever since. No mess, no fuss, just works into his normal shower routine." — Karen P., Leeds

This product is a cosmetic hair colourant. Always carry out a patch test 48 hours before first use. Do not use if you have previously experienced an allergic reaction to a hair dye product. If irritation occurs, discontinue use and seek medical advice.