I have been buying my hair products from Cosmetic World, and I have been happy with the customer service and product quality after every purchase. This oil developer is my favorite. It allows for a good lift with the colour, yet my hair feels reasonably smoother afterwards.
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Emily V.
Effective Developer
I love the effectiveness of Igora Royal Oil Developer 12/40 Vol 1l. It works like a charm in developing my desired hair color.
Your feedback means a lot!
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Emma U.
Ultimate Development
The Igora Royal Oil Developer 12/40 Vol 1l has shown ultimate performance in developing my hair color. My hair feels so vibrant now.