Living Proof Leave In Conditioning Spray - 1.7 fl oz - Ulta Beauty: Heat Protection, Smoothing, All Hair Types

Common questions

Is Living Proof Leave In Conditioning Spray - 1.7 fl oz - Ulta Beauty: Heat Protection, Smoothing, All Hair Types healthy?

Living Proof Leave In Conditioning Spray - 1.7 fl oz - Ulta Beauty: Heat Protection, Smoothing, All Hair Types scores 78/100 on Scout's independent analysis of ingredients, additives, and lab results — a fair-to-good score — solid, with tradeoffs. This leave-in conditioning spray contains several beneficial ingredients like glycerin, beet root extract, and artichoke leaf extract, which provide moisturizing and antioxidant benefits for hair.

Which ingredients drive Living Proof Leave In Conditioning Spray - 1.7 fl oz - Ulta Beauty: Heat Protection, Smoothing, All Hair Types' score?

In Scout's ingredient-by-ingredient analysis, Glycerin, Beta Vulgaris (Beet) Root Extract, Amaranthus Caudatus Seed Extract count in its favor; Propylene Glycol, Sodium Benzoate, Fragrance/Parfum are flagged as ingredients of concern. The full breakdown, with why each one matters, is in the Key ingredients section on this page.

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Living Proof Leave In Conditioning Spray - 1.7 fl oz - Ulta Beauty: Heat Protection, Smoothing, All Hair Types

Living Proof
78 Good

Analysis updated July 2026 · How Scout scores

$18.00 · 1.7 fl oz · $10.59 / fluid ounce
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At a glance

Beneficial ingredients 6
Harmful ingredients 6
Owned by Unilever
Category Conditioner
Summary

This leave-in conditioning spray contains several beneficial ingredients like glycerin, beet root extract, and artichoke leaf extract, which provide moisturizing and antioxidant benefits for hair. However, the presence of synthetic fragrance is a concern due to its potential to cause irritation or allergic reactions. The product is moderately processed, which also impacts its overall rating.

Key ingredients 27

Glycerin
Good

Glycerin is a well-known humectant that attracts moisture to the hair. It helps to keep hair hydrated and prevent dryness. It is widely used in hair care products for its moisturizing properties.

Risks

Excessive use may lead to a sticky feel on the hair.

Benefits

Helps to maintain moisture levels in the hair, preventing dryness.

See more about Glycerin →
Beta Vulgaris (Beet) Root Extract
Good

Beta Vulgaris (Beet) Root Extract is a natural ingredient known for its antioxidant properties. It helps to protect hair from environmental damage. It is considered safe and beneficial for hair care.

Risks

There are minimal risks associated with its use in hair care products.

Benefits

Provides antioxidant protection and helps to maintain healthy hair.

Amaranthus Caudatus Seed Extract
Good

Amaranthus Caudatus Seed Extract is a plant-derived ingredient known for its conditioning properties. It helps to improve hair texture and manageability. It is considered safe and beneficial for hair care.

Risks

There are minimal risks associated with its use in hair care products.

Benefits

Enhances hair texture and provides conditioning benefits.

Hydrolyzed Corn Starch
Good

Hydrolyzed Corn Starch is used as a conditioning agent in hair care products. It helps to improve hair texture and manageability. It is considered safe and beneficial for hair care.

Risks

There are minimal risks associated with its use in hair care products.

Benefits

Enhances hair texture and provides conditioning benefits.

See more about Hydrolyzed Corn Starch →
Cynara Scolymus (Artichoke) Leaf Extract
Good

Cynara Scolymus (Artichoke) Leaf Extract is known for its antioxidant properties. It helps to protect hair from environmental damage and maintain its health. It is considered safe and beneficial for hair care.

Risks

There are minimal risks associated with its use in hair care products.

Benefits

Provides antioxidant protection and helps to maintain healthy hair.

Alaria Esculenta Extract
Good

Alaria Esculenta Extract is a seaweed-derived ingredient known for its moisturizing and antioxidant properties. It helps to protect and hydrate hair. It is considered safe and beneficial for hair care.

Risks

There are minimal risks associated with its use in hair care products.

Benefits

Provides hydration and antioxidant protection to the hair.

See more about Alaria Esculenta Extract →
Water/Eau/Aqua
Neutral

Water is a common solvent used in cosmetic formulations. It helps dissolve other ingredients and provides a base for the product. It is generally considered safe and non-reactive.

Risks

There are no significant risks associated with water in cosmetic products.

Benefits

Water helps to hydrate and distribute other ingredients evenly across the hair.

PEG/PPG-8/3 Laurate
Neutral

PEG/PPG-8/3 Laurate is used as an emulsifier and surfactant in cosmetic products. It helps to stabilize formulations and improve texture. It is generally considered safe for use in cosmetics.

Risks

There is a potential for skin irritation in sensitive individuals.

Benefits

It helps to improve the texture and spreadability of the product.

Dicetyldimonium Chloride
Neutral

Dicetyldimonium Chloride is a conditioning agent that helps to reduce static and improve hair manageability. It is commonly used in hair care products for its conditioning properties. It is considered safe for use in cosmetics.

Risks

May cause mild irritation if it comes into contact with the eyes.

Benefits

Improves hair softness and manageability.

Polyquaternium-37
Neutral

Polyquaternium-37 is a film-forming agent that provides conditioning benefits to hair. It helps to improve the texture and feel of hair. It is widely used in hair care products and is considered safe.

Risks

There are minimal risks associated with its use in hair care products.

Benefits

Enhances hair texture and provides a smooth feel.

See more about Polyquaternium-37 →
Isopentyldiol
Neutral

Isopentyldiol is used as a humectant and solvent in cosmetic formulations. It helps to retain moisture and improve product stability. It is generally considered safe for use in cosmetics.

Risks

May cause mild irritation in sensitive individuals.

Benefits

Helps to retain moisture in the hair, improving hydration.

Propylene Glycol Dicaprylate/Dicaprate
Neutral

Propylene Glycol Dicaprylate/Dicaprate is an emollient that helps to soften and smooth the hair. It is used to improve the texture and feel of hair care products. It is considered safe for use in cosmetics.

Risks

There are minimal risks associated with its use in hair care products.

Benefits

Provides a smooth and soft feel to the hair.

See more about Propylene Glycol Dicaprylate/Dicaprate →
Butylene Glycol
Neutral

Butylene Glycol is used as a solvent and conditioning agent in cosmetics. It helps to improve the texture and spreadability of products. It is generally considered safe for use in cosmetics.

Risks

May cause mild irritation in sensitive individuals.

Benefits

Improves product texture and helps to condition the hair.

See more about Butylene Glycol →
PPG-26-Buteth-26
Neutral

PPG-26-Buteth-26 is used as a surfactant and emulsifier in cosmetic formulations. It helps to stabilize products and improve texture. It is generally considered safe for use in cosmetics.

Risks

May cause mild irritation in sensitive individuals.

Benefits

Improves product stability and texture.

See more about PPG-26-Buteth-26 →
Propanediol
Neutral

Propanediol is used as a solvent and humectant in cosmetics. It helps to retain moisture and improve product texture. It is generally considered safe for use in cosmetics.

Risks

May cause mild irritation in sensitive individuals.

Benefits

Helps to retain moisture in the hair, improving hydration.

See more about Propanediol →
Gluconic Acid
Neutral

Gluconic Acid is used as a pH adjuster in cosmetic formulations. It helps to maintain the stability and effectiveness of the product. It is generally considered safe for use in cosmetics.

Risks

May cause mild irritation in sensitive individuals.

Benefits

Helps to maintain product stability and effectiveness.

See more about Gluconic Acid →
Zea Mays (Corn) Starch
Neutral

Zea Mays (Corn) Starch is used as a thickening agent in cosmetic formulations. It helps to improve product texture and consistency. It is generally considered safe for use in cosmetics.

Risks

There are minimal risks associated with its use in hair care products.

Benefits

Improves product texture and consistency.

See more about Zea Mays (Corn) Starch →
PPG-1 Trideceth-6
Neutral

PPG-1 Trideceth-6 is used as a surfactant and emulsifier in cosmetic formulations. It helps to stabilize products and improve texture. It is generally considered safe for use in cosmetics.

Risks

May cause mild irritation in sensitive individuals.

Benefits

Improves product stability and texture.

PEG-40 Hydrogenated Castor Oil
Neutral

PEG-40 Hydrogenated Castor Oil is used as an emulsifier and surfactant in cosmetic formulations. It helps to stabilize products and improve texture. It is generally considered safe for use in cosmetics.

Risks

May cause mild irritation in sensitive individuals.

Benefits

Improves product stability and texture.

See more about PEG-40 Hydrogenated Castor Oil →
Hexyl Cinnamal
Neutral

Hexyl Cinnamal is a fragrance ingredient used to impart a floral scent to cosmetic products. It is commonly used in perfumes and scented products. It is generally considered safe but can be a potential allergen.

Risks

May cause allergic reactions in sensitive individuals.

Benefits

Provides a floral scent to the product.

See more about Hexyl Cinnamal →
Citronellol
Neutral

Citronellol is a fragrance ingredient used to impart a floral scent to cosmetic products. It is commonly used in perfumes and scented products. It is generally considered safe but can be a potential allergen.

Risks

May cause allergic reactions in sensitive individuals.

Benefits

Provides a floral scent to the product.

See more about Citronellol →
Propylene Glycol
Bad

Processed additive flagged under Scout's ingredient doctrine.

Risks

May cause mild irritation in sensitive individuals.

Benefits

Helps to retain moisture in the hair, improving hydration.

See more about Propylene Glycol →
Sodium Benzoate
Bad

Synthetic preservative that can form benzene in the presence of vitamin C.

Risks

May cause mild irritation in sensitive individuals.

Benefits

Helps to preserve the product and extend its shelf life.

See more about Sodium Benzoate →
Limonene
Bad

Processed additive flagged under Scout's ingredient doctrine.

Risks

May cause allergic reactions in sensitive individuals.

Benefits

Provides a fresh citrus scent to the product.

See more about Limonene →
Linalool
Bad

Processed additive flagged under Scout's ingredient doctrine.

Risks

May cause allergic reactions in sensitive individuals.

Benefits

Provides a pleasant floral scent to the product.

See more about Linalool →
Citral
Bad

Processed additive flagged under Scout's ingredient doctrine.

Risks

May cause allergic reactions in sensitive individuals.

Benefits

Provides a lemon scent to the product.

See more about Citral →
Fragrance/Parfum
Very Bad

Fragrance/Parfum is used to add scent to cosmetic products. It can contain a mixture of various chemicals, some of which may cause irritation or allergic reactions. It is often criticized for its potential to cause skin sensitivity.

Risks

May cause skin irritation or allergic reactions in sensitive individuals.

Benefits

Provides a pleasant scent to the product.

See more about Fragrance/Parfum →

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