Live Amazon price · product details checked 5 September 2026
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We keep Crazy Color Vibrant Sky Blue Semi-Permanent Hair Dye. Highly on our hair care shelf alongside 49 others, and rank it on rating, review volume and live price rather than on the brand. The manufacturer puts it this way: The highly pigmented Sky Blue hair dye deposits an intense colour gently. Packed full of oils, our formula conditions as it delivers a Cobalt Blue colour. With no ammonia and bleach, you can achieve your Cobalt Blue hair colour without damage. The lighter your hair, the more vibrant the shade. That is the maker talking, not us, so read it as a claim rather than a finding. 84 ratings put it at 3.7 out of 5. The comparison with the rest of the shelf follows.
The typical hair care product on our shelf scores 4.5 out of 5, measured across 50 rated products. This one comes in at 3.7. That's inside the bottom quarter of the shelf. It isn't a warning, but better-rated options do sit alongside it at similar money, so you would want a specific reason to pick this one.
Behind that score sit 84 ratings, against a shelf median of 4,347. For this shelf that's thin. A handful of new reviews could shift it noticeably, so read the score as an early signal rather than a verdict.
The shelf runs from £1.98 to £56.00 and the midpoint is about £7.13. On price, this one is in the middle third. Which is where most sensible buys end up: not the cheapest on the shelf, and not the one you pay a name for.
Worked out from the 50 hair care products we track, not from the brand's own claims. How we rank →
Taken from the product listing via Amazon's product API. These are the seller's claims, not our test results.
Short on time? Our best hair care shortlist narrows this shelf down to a handful.
