Ronastar, the new interference colour series from Merck, comprises six new colour tones. Merck says that Ronastar Gold, Red, Purple, Aqua, Blue and Copper are ideal to give cosmetic formulations an unusually attractive interference effect. Like the existing range of Ronastar Sparks cosmetic pigments, the new line creates intensive and pure colours. Additionally a particle size of 10-100µm gives superior hiding power and a sparkle effect. The pigments are said to be easily processed and achieve shimmer effects in a range of products, particularly suitable for shower gels, shampoos and hair gels.
Ronastar tones it up a notch
Ronastar, the new interference colour series from Merck, comprises six new colour tones. Merck says that Ronastar Gold, Red, Purple, Aqua, Blue and Copper are ideal to give cosmetic formulations an unusually attractive interference effect. Like the existing range of Ronastar Sparks cosmetic pigments, the new line creates intensive and pure colours. Additionally a particle size of 10-100µm gives superior hiding power and a sparkle effect. The pigments are said to be easily processed and achieve shimmer effects in a range of products, particularly suitable for shower gels, shampoos and hair gels.
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![A forgotten ancient marine material is entering modern skincare]()
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For more than two millennia, byssus - the protein fibres produced by certain molluscs to anchor themselves underwater - occupied an extraordinary place in Mediterranean material culture. The byssus of the noble pen shell, Pinna nobilis, was processed into “sea silk”, a rare textile prized for its remarkable natural qualities. With its traditional source now increasingly scarce, this once-celebrated material has all but disappeared
You need to be a subscriber to read this article.
Click here to find out more.
Click here to find out more.
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