
RB°4 Hair SerumEGP599
999EGPSave 400 EGP
The Ultimate Anti-Frizz
Want instant results? Own it with our expertly crafted — RB°4 Hair Serum. Infused with a luxurious blend of Argan and Macadamia oils and Caviar extract, it revitalizes your hair from the inside out, providing all-day frizz control and hydration that feels like pure indulgence. It effortlessly detangles and visibly reduces split ends, giving you the glossy finish you desire with every use.
PRO Tip: Apply a few drops to damp or dry hair for a smooth, glossy finish.

Nature’s Liquid Gold
Rich in fatty acids, antioxidants, and vitamin E, argan oil adds shine, seals cuticles, and helps prevent split ends for soft, glossy hair.
The Queen of Nuts
Rich in omega-7, vitamin E, and squalene, macadamia oil tames frizz, strengthens hair, and protects against damage, leaving your strands soft and healthy.
Sea-Sourced Brilliance, for a Glossy Experience
Rich in antioxidants and omega-3 fatty acids, caviar extract boosts elasticity, fights hair aging, and deeply hydrates—restoring shine for radiant hair.


RB°4 Hair Serum is the final step in your routine, giving your hair an extra boost of hydration and a sleek, manageable finish. It protects against environmental damage, reduces split ends, and keeps frizz under control. Apply to wet, damp, or dry hair for a dazzling finish, anytime you need it.
Benefits:











Feels like: A rich, lightweight texture.
Looks like: A transparent gold formula with soft yellow hues.

Perfect for all hair types and textures.
Visible results that speak for themselves.




1. Dispense a small amount into the palm of your hand

2. Rub the serum between your palms.

3. Work evenly through damp or dry hair, focusing on hair ends.

4. Leave in and style for a smooth, glossy finish
Argan Oil| Nature’s Liquid Gold
Rich in fatty acids, antioxidants, and vitamin E, argan oil adds shine, seals cuticles, and helps prevent split ends for soft, glossy hair.
Macadamia Oil| The Queen of Nuts
Rich in omega-7, vitamin E, and squalene, macadamia oil tames frizz, strengthens hair, and protects against damage, leaving your strands soft and healthy.
Caviar Extract| Sea-Sourced Brilliance, for a Glossy Experience
Rich in antioxidants and omega-3 fatty acids, caviar extract boosts elasticity, fights hair aging, and deeply hydrates—restoring shine for radiant hair.
Meet the 5-step haircare line — formulated in the USA with European ingredients
and powered by skincare science. Stronger, healthier hair starts here.