Bounce Curl Thermal Guard Weightless Leave-In

A weightless leave-in designed to protect hair from heat styling.

Bounce Curl Thermal Guard Weightless Leave-In is your 6-in-1 multitasking, heat-protecting primer and leave-in conditioner that hydrates, reduces breakage, detangles, and protects hair from heat up to 450°F*, leaving hair soft, smooth, and weightless.Featuring PGenics™ Hydra, a patented peptide exclusive to Bounce Curl, composed of water-loving amino acids designed to help attract and retain moisture while supporting a healthy-feeling scalp and smoother-looking hair for hydration without the heaviness.Instrumentally tested and mindfully formulated for textured hair, it merges clean science with real performance for hair that feels hydrated, smooth, and ready for heat styling.*Instrumental testing. 

• 6-in-1 solution: Heat protection, priming, smoothing, detangling, breakage reduction, and weightless performance in one step.
• Heat protection up to 450°F: Powered by Polyporus Umbellatus (Mushroom) Extract and Sodium Hyaluronate to help protect hair from heat damage and reduce dryness and breakage.*
• Reduces hair breakage: Instrumental testing shows a reduction in hair breakage.
• Patented Moisture Technology: PGenics™ Hydra is a patented peptide exclusive to Bounce Curl that’s a blend of water-loving amino acids designed to help attract and retain moisture while supporting a healthy-feeling scalp and smoother-looking hair for hydration without the heaviness. 
• Featherlight finish: Delivers meaningful hydration with a barely-there feel—ideal for fine to medium textures.
• Luxe Scent: A thoughtfully formulated scent, with notes of soft rose, pear, warm woods, and vanilla.

Hair Type:

• Texture: Fine, Medium, Coarse
• Hair pattern: Wavy, Curly, Coily
• Concerns: Dryness, damage, tangles, heat exposure

Heat protection claim: Instrumentally tested and shown to protect hair from heat damage up to 450°F when using a flat iron.

Breakage reduction: Shown to reduce hair breakage.

Dermatology tested: Non-irritating.

Toxicologist audited: Reviewed for safety.

Patented technology: Features patented PGenics™ Hydra.

Vegan + cruelty-free: Not tested on animals.

Think Dirty rating: Rated 0–1 for risk.

Packaging: Made with 30% PCR recycled plastic.

Size: 7oz/207ml

Apply to wet hair: After washing and conditioning, section hair and mist the leave-in evenly from roots to ends.

Distribute evenly: Brush through to ensure even coverage.

Style as desired: Follow with your preferred Bounce Curl stylers and air dry or diffuse.

For heat styling: To use as a heat protectant, apply as directed, then blow dry before using hot tools.

How to use in a Bounce Curl routine:

Cleanse: Use Bounce Curl Weightless Shampoo and Weightless Conditioning Mask.

Prime: Mist Thermal Guard Weightless Leave-In evenly through wet hair and detangle.

Sodium Hyaluronate: A humectant that attracts and locks in moisture, delivering deep hydration without weight.

PGenics™ Hydra: A patented peptide technology exclusive to Bounce Curl, composed of water-loving amino acids designed to help attract and retain moisture while supporting a healthy-feeling scalp and smoother-looking hair for hydration without the heaviness.

Polyporus Umbellatus (Mushroom) Extract: An antioxidant-rich extract that helps fortify strands and provide protection against frizz and heat.

Baobab Oil: A silky, nutrient-dense oil that nourishes and smooths, leaving hair soft and shiny.

Full Ingredients: *Organic Aloe Barbadensis Leaf Juice, Propanediol, Cetearyl Alcohol, Adansonia Digitata (Baobab) Seed Oil, Water, Sodium Hyaluronate, Glycerin, Sorbitol, Trehalose, Galactoarabinan, Xylitol, Tilia Tomentosa Bud Extract, Palmitoyl Tetrapeptide-8 Amide, Polyporus Umbellatus (Mushroom) Extract, Salvia Hispanica Seed Extract, Amaranthus Caudatus Seed Extract, Sodium Citrate, Sodium Phosphate, Dicaprylyl Carbonate, Fructose, Pentylene Glycol,1,2-Hexanediol, Caprylyl Glycol, Malachite Extract, Cetrimonium Chloride, Sodium Benzoate, Gluconolactone, Fragrance, Benzyl Salicylate, Limonene, Linalool, Linalyl Acetate, Terpineol, Tetramethyl Acetyloctahydronaphthalenes, Vanillin *Certified Organic

Bounce Curl formulas are continuously evaluated and may be updated over time. For the most accurate and current ingredient information, please consult the ingredient list on your product packaging.