Hair Dye

Vibrant semi-permanent hair dye for unapologetic colour - from bold brights to smoky darks, pastels and neon pops. These are deposit-only dyes designed to refresh, boost and transform your shade (with less commitment than permanent colour). Shop by colour, brand, or vibe and get ready for serious pigment.

Shop hair dye by colour

Looking for a specific shade? Browse our vibrant semi-permanent hair dye by colour. Each shade behaves differently, so choosing the right one for your hair and experience level makes all the difference.

  • Red hair dye – bold, classic and high-impact shades from bright cherry to deep burgundy.
  • Blue hair dye – striking and long-lasting, but best suited to experienced colour users.
  • Purple hair dye – vibrant, forgiving and a great option for beginners.
  • Pink hair dye – playful, versatile and easy to wear, from hot pink to soft blush tones.
  • Green hair dye – unapologetically alternative, best for confident colour lovers.
  • Orange & yellow hair dye – warm, high-energy shades from fiery orange to bright and golden yellow.
  • Black hair dye – ideal for maintaining dark hair, adding depth and creating shadow roots.
  • Neon & fluorescent hair dye – ultra-bright shades designed to pop on very light hair and glow under UV.

Vibrant semi-permanent hair dye (that actually shows)

If you’re here for bright, vivid, high-pigment colour, you’re in the right place. Our semi-permanent hair dyes are made for statement shades - the kind that turns “nice hair” into main character hair. Whether you’re going full neon, living in jewel tones, or just topping up a favourite shade, semi-permanent colour is the easiest way to keep things bold without the long-term commitment of permanent dye.

What is semi-permanent hair dye?

Semi-permanent hair dye is a deposit-only colour. That means it coats the hair rather than permanently altering it. No mixing developer, no peroxide needed - just pure pigment (plus conditioning ingredients, depending on the formula). It’s ideal for experimenting, switching up your vibe, and refreshing colour between salon visits.

How to get the most vibrant results

Vibrancy depends on two things: your starting hair colour and porosity (how well your hair takes colour). For the brightest results, these shades usually pop best on pre-lightened blonde. On darker hair, you’ll often get a subtle tint or coloured sheen (still very pretty - just more “mysterious” than “neon sign”).

  1. Start clean: colour grips best on freshly washed, product-free hair.
  2. Apply generously: saturate every strand for even coverage.
  3. Give it time: follow the brand instructions - longer isn’t always better, but timing matters.
  4. Rinse cool: cooler water helps keep pigment in.
  5. Protect your colour: wash less often, use colour-safe products, and avoid hot water when you can.

FAQs

How long does semi-permanent hair dye last?

Most semi-permanent hair dyes last around 4–12 washes, depending on your hair type, shade, and routine. Pastels tend to fade faster; deeper shades often hang around longer. Washing less frequently and using cooler water helps your colour last. Our Manic Panic colour depositing conditioners will keep your shade vibrant for long. I absolutely swear by them, they're so pigmented! They've been a game changer for me!

Does semi-permanent hair dye damage hair?

Because semi-permanent dye is deposit-only and doesn’t use developer, it’s generally considered gentler than permanent colour. (If you bleach first to get brighter results, that’s the step that can cause damage - so it’s worth doing carefully and using good aftercare.)

Will vibrant semi-permanent dye work on dark hair?

It depends on the shade and your natural depth. On darker hair, semi-permanent colour often gives a tint, tone, or coloured shine rather than full neon brightness. For “electric” results, you’ll usually need a lighter base. Please drop us a line if you want any advice. I've been been using these dyes for approaching 30 years and I've tried almost every colour so I can help you narrow down your choice.

Do I need bleach for semi-permanent hair dye?

You don’t need bleach to use semi-permanent dye, but you may need a lighter base to get the shade to look like the swatch. If you want maximum vibrancy, pre-lightened hair helps. If you’re going for a subtle tint or colour shift, you might be fine without it.

How do I make semi-permanent hair dye last longer?
  • Rinse with cool water and avoid hot showers
  • Use sulphate-free / colour-safe shampoo
  • Wash less often (dry shampoo is your friend)
  • Avoid heavy heat styling, or use heat protection
  • Top up with the same shade when it starts to fade
  • Try our Manic Panic Love Colour conditioners, they're super pigmented and top up your colour every wash.
Can I mix colours together?

Often yes (within the same brand/formula). Mixing can be brilliant for custom shades - think “make it more purple” or “tone it down into a smoky rose”. If you’re unsure, patch test first and keep notes so you can recreate your perfect shade.

Will semi-permanent dye stain my bathroom?

Vibrant pigments can stain surfaces (and towels) if you let them sit. A few practical tips: wear gloves, protect your sink area, rinse splashes quickly, and use an old towel on hair-wash day.

Is semi-permanent dye safe for sensitive skin?

Everyone’s skin is different. If you’re prone to irritation or allergies, it’s a good idea to do a patch test before full application and follow the brand’s instructions. If you’ve had reactions to hair colour before, check ingredient lists carefully and consider speaking with a professional.

Still deciding?

If you’re not sure which shade will give you the result you want, start by choosing your starting hair colour (dark / mid / light) and your goal (subtle tint vs full vibrancy). Then shop by colour family or brand. And if you need a second opinion, send us a message - we’re always happy to help you pick a shade that matches your vibe.