The Heat Is On

Shield hair from the damaging effects of hot styling tools and seal in natural luster with this lightweight thermal protection spray. An ideal styling spray, HEAT DEFENSE smoothes the cuticle and reduces static while providing light hold and style memory for straight or curly styles. Enriched with castor oil, Pro Vitamin B5, sunflower seed, and hydrolyzed quinoa, this innovative spray does more than protect your hair—it enhances body and volume, reduces frizz, and adds a noticeable reflective shine.


• Shields hair from heat damage up to 450°F
• Provides light hold with style memory
• Anti-static properties reduce frizz and seal in natural luster


1. Spray on damp or dry hair from mid-length to ends.
2. Work through hair with fingers or a comb.
3. Styles as usual with hot tools

Hair Type: Fine, Medium, Thick
Hair Texture: Straight, Wavy, Curly
Hair Concerns: Thermal Protection, Hold, Frizz, Shine


Watch a tutorial
Key Ingredients
Heat Protection vs. UV Protection
Scent: Bergamot Black Currant
Awards: Beauty Launchpad Readers' Choice

Sulfate Free
Paraben Free
Phthalate Free
Gluten Free
Dye Free
Cruelty Free
Certified American Made Beauty™
Created in a solar-powered lab
Eligible for free shipping with Auto Delivery
HEAT DEFENSE hair spray - prevents and protects head-damaged hair
Watch a tutorial
Key Ingredients
Heat Protection vs. UV Protection
All ingredients

Castor Oil: A nutrient-rich antimicrobial oil that stimulates blood circulation in the scalp, hydrates and strengthens hair to protect against breakage, and adds shine. 

Pro Vitamin B5: A humectant that deeply hydrates and strengthens hair, soothes scalp irritation, increases volume, enhances shine, and detangles. 

Sunflower Seed: An antioxidant plant extract that protects against UV induced free radical damage, prevents hair breakage, smooths split ends, enhances softness, and controls frizz. 

Hydrolyzed Vegetable: A natural protein that repairs damaged hair and mends split ends. 

Hydrolyzed Quinoa: A complete protein that strengthens and repairs hair, soothes scalp irritation, protects against free radical damage, prevents breakage, and enhances shine.

Your hair is under attack! Not exactly, but there are many ways your hair can be damaged in a day–sun, wind, and of course our beloved styling tools. Fortunately, we offer solutions for environmental aggressors AND heat damage, so your hair is protected from whatever ails it.

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Water (Aqua), SD Alcohol 40B (Ethyl Alcohol), Polyurethane-14, AMP-Acrylates Copolymer, PEG-40 Castor Oil, Polysorbate-20, Fragrance (Parfum), Sodium Polystyrene Sulfonate, Phenoxyethanol, Panthenol (Pro-Vitamin B5), Hydrolyzed Vegetable Protein pg-Propyl Silanetriol, Hydrolyzed Quinoa, Helianthus Annus (Sunflower) Seed Extract, Ethylhexylglycerin, Aminomethyl Propanol, Citric Acid.

HEAT DEFENSE  is a must if you are using hot tools – smoothing and revitalizing your hair’s natural shine.

– Jessica, Master Stylist


Color Protect.

Give your colored hair a new ally. Our nourishing and moisturizing color-preserving collection safeguards color-treated tresses from heat and the elements. The RINZU Collection features shampoos and conditioners, violet  toning systems, and uv sprays designed to protect and nourish color-treated hair.

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