Please Note: We do not sell any hair extension products on this website to clients or the public directly. We only supply our products to accredited S1 salons.


The New Generation of Organic Hair Straightening. S1 Keratin, 3 step system to straighten and smooth hair without harsh chemicals. No smell, no fumes, no smoke, no formaldehyde and is dermatologically tested.
4 products
S1 Keratin System
Regular price
S1 Keratin Step 3 – Mask
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S1 Keratin Step 2 – Keratin
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S1 Keratin Step 1 – Clarify
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