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Thermal Serum

Heat Protection + Silkening

A highly concentrated serum that smooths and seals the hair cuticle, provides moisture, eliminates frizz, and gives incredible shine.

Thermal Serum
Thermal Serum

bold. confident. iconic.

bold. confident. iconic.

need to know

  • Instant thermal protection with pure argan oil for added softness and smoothness.
  • Lock in moisture eliminate frizz and enhances shine.
  • Use on wet or dry hair.
  • For all hair types.

how to use

On Damp Hair:

Apply pearl-sized increments to mid-shaft through to ends, before applying RUSK Styling product of choice, & style as desired.


On Dry Hair:

Apply a small amount to hands and bring
through midshaft to ends for instant smoothness and shine.

signature scent

Rainforest Radiance blends sparkling green citrus and fresh ginger with soft jasmine and cedar wood, finishing in warm amber, vanilla, and musk. A radiant, modern scent that feels effortlessly luxe, fresh, and chic.

new look, same great formula

The RUSK® Designer Collection honors its foundation with the same cutting-edge performance, now with a redefined aesthetic. Our products are made for everyone, empowering versatility and confidence at every level. Born from a bold vision, they’re designed to help you show up as your most authentic self.