De Lorenzo Defence Extinguish Thermal Protection Spray
"Amazing heat protector and detangler. I use this as a conditioner as I have very fine hair that goes flat with cream conditioners and I dont need much of this wonderful spray to detangle. Bonus it protects my hair from heat styling tools. Ive tried soo many products over the years and this is my favourite. Doesnt weigh my hair down at all like other products I use (O&M detangler) and makes my hair really soft and healthy. LOVE IT! Theres a good reason its always out of stock!" - Laura
De Lorenzo

Defence Extinguish Thermal Protection Spray 200ml

4.7 (57)
Save 15%
$27.20
$32.00
Only 10 remaining in stock!
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Estimated delivery: Tue, Aug 4th - Mon, Aug 10th

Free Click and collect is available at checkout. Orders are ready within 1 hour during opening hours. Store Address: 56 Parer Rd, Airport West, VIC Australia 3042 Phone (03) 9999 5902

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Most Helpful Review
"Amazing heat protector and detangler. I use this as a conditioner as I have very fine hair that goes flat with cream conditioners and I dont need much of this wonderful spray to detangle. Bonus it protects my hair from heat styling tools. Ive tried soo many products over the years and this is my favourite. Doesnt weigh my hair down at all like other products I use (O&M detangler) and makes my hair really soft and healthy. LOVE IT! Theres a good reason its always out of stock!" - Laura
Why You’ll love it
Blow Drying
Australian Made
Cruelty Free
Vegan
Low/ Medium Shine
Hear the sizzle from your styler, not from your hair.
Creates a protective shield against heat styling up to high temperatures.
Leaves hair feeling silky, light, and easier to brush through.
Helps reduce frizz and visible dryness for a smoother finish.
Description
Read more
Directions
Ingredients
  • Aqua Solvents
    Solvent

    The water base that carries and dissolves the other ingredients in most products.

    May suit

    All hair and skin types.

    Worth knowing

    Almost always the first ingredient listed in water-based products.

  • Alcohol Denat. Solvents
    Solvent

    A fast-evaporating solvent that helps dissolve ingredients and improve product dry time.

    May suit

    People who use styling products that benefit from quick drying or a lightweight feel.

    Worth knowing

    Its quick evaporation can help reduce residue and support a clean finish in styling formulas. Some may notice it can feel slightly drying in leave-in products depending on hair type.

  • PVP Thickeners and stabilisers
    Film-forming polymer

    PVP is a film-forming ingredient that helps provide hold and structure in styling products.

    May suit

    Anyone looking for longer-lasting hold, enhanced definition or improved style memory.

    Worth knowing

    It is widely used in gels, mousses and sprays because it creates a flexible film on the hair shaft. Its performance can vary with humidity, so it is often blended with other polymers for stability.

  • Glycerin Humectants
    Humectant

    Attracts and holds water to help hair feel hydrated and soft.

    May suit

    Dry or dehydrated hair, and many curl and moisture routines.

    Worth knowing

    A very common, well-tolerated humectant used across countless products.

  • Hydrolyzed Wheat Protein Proteins and amino acids
    Protein

    A plant-derived protein that helps smooth and support the hair surface.

    May suit

    Hair wanting added body, smoothness or temporary strength.

    Worth knowing

    A common protein in repair and volumising formulas.

  • Panthenol Conditioning agents
    Conditioning agent

    Helps condition, soften and add a smooth, healthy feel to the hair.

    May suit

    Most hair types, especially dry or dull hair.

    Worth knowing

    A versatile, well-tolerated conditioning ingredient.

  • Amodimethicone Silicones
    Conditioning silicone

    A conditioning silicone that targets rougher areas of the hair to smooth and protect.

    May suit

    Damaged, frizz-prone or colour-treated hair wanting targeted smoothing.

    Worth knowing

    Designed to deposit where hair needs it most. Some prefer silicone-free formulas by choice.

  • Polysilicone-15 UV filters
    UV filter

    A silicone-based UV filter that helps protect hair from UVB exposure.

    May suit

    Those who spend time outdoors or wish to help reduce UV-related colour fade.

    Worth knowing

    It is commonly used in haircare to support UV defence without adding a heavy feel. Often combined with other conditioning agents for smoother application.

  • Polyquaternium-55 Conditioning agents
    Conditioning polymer

    A film-forming conditioning polymer used to improve softness, smoothness and manageability.

    May suit

    Those looking for enhanced frizz control, curl definition or improved hold without stiffness.

    Worth knowing

    It forms a light, flexible film on the hair that helps maintain style while reducing flyaways. It is commonly used in styling and conditioning formulas for added performance.

  • Parfum Fragrance ingredients
    Fragrance

    Gives the product its scent.

    May suit

    People who enjoy a scented product.

    Worth knowing

    Fragrance preference is personal. Some people prefer fragrance-free formulas by choice.

  • PEG/PPG-18/18 Dimethicone Silicones
    Conditioning silicone

    A silicone-based polymer that provides slip, softness and a smooth feel to hair.

    May suit

    Those looking for reduced frizz, easier detangling or a smoother finish.

    Worth knowing

    Its PEG/PPG modification makes it more dispersible in water than many traditional silicones. It is commonly used in lightweight leave-ins and conditioners for a silky feel.

  • Cetrimonium Chloride Conditioning agents
    Conditioning agent

    A conditioning agent that helps smooth and soften the hair while reducing static and tangles.

    May suit

    People looking for improved manageability, detangling and smoother-feeling hair.

    Worth knowing

    It is a commonly used quaternary ammonium compound that helps conditioners spread easily through the hair. It is effective even at low levels, which is why it appears frequently in rinse-off products.

  • Trideceth-12 Cleansers / surfactants
    Nonionic surfactant and solubiliser

    Helps blend oil‑based and water‑based ingredients and provides gentle cleansing action.

    May suit

    Those using products that need light cleansing or stable blends of oils, silicones, or fragrances.

    Worth knowing

    It is commonly used to solubilise fragrance or silicone ingredients in shampoos and treatments. Its mild, nonionic nature means it typically works well alongside other surfactants.

  • Citric Acid pH adjusters
    pH adjuster

    Fine-tunes the product pH, which can help the hair surface feel smooth.

    May suit

    Most hair types as part of a balanced formula.

    Worth knowing

    Usually present in small amounts to balance the formula.

  • Tetrasodium EDTA Chelating agents
    Chelating agent

    Helps bind metal ions in water to improve product stability and performance.

    May suit

    Those in hard-water areas who want shampoos and conditioners to rinse more cleanly.

    Worth knowing

    Chelating agents can support formula consistency and help prevent minerals from depositing on the hair or interfering with product texture. They are widely used in many rinse-off and leave-in formulations.

  • Phenoxyethanol Preservatives
    Preservative

    Helps keep the product stable and pleasant to use after opening.

    May suit

    All products that need protecting from spoilage.

    Worth knowing

    A very common, well-studied preservative used at low levels.

  • Potassium Sorbate Preservatives
    Preservative

    Helps keep haircare formulas stable by preventing the growth of microbes.

    May suit

    Anyone who uses water-based products that benefit from reliable preservation.

    Worth knowing

    It is commonly used alongside other preservation systems to maintain product freshness and extend shelf life. It is generally well tolerated in rinse-off and leave-in products.

  • Sodium Benzoate Preservatives
    Preservative

    Helps protect water-based products from spoilage so they stay usable.

    May suit

    All products that need a preservative system.

    Worth knowing

    Often paired with other preservatives for broad protection.

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Reviews

Reviews: De Lorenzo Defence Extinguish Thermal Protection Spray

4.7 (57)
48
7
1
2
0
Most Helpful Review
LOVE this heat protector! –
Amazing heat protector and detangler. I use this as a conditioner as I have very fine hair that goes flat with cream conditioners and I dont need much of this wonderful spray to detangle. Bonus it protects my hair from heat styling tools. Ive tried soo many products over the years and this is my favourite. Doesnt weigh my hair down at all like other products I use (O&M detangler) and makes my hair really soft and healthy. LOVE IT! Theres a good reason its always out of stock!
Written by Laura On 15/11/2019
1 people found this helpful
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