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Purology strength cure

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Purology strength cure

Other Contains fragrance Contains colorants
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Expert note

Poor quality other for Straight, Oily hair. Multiple concerning ingredients present - seek better options.

Purology strength cure by the brand — a other formulated to balance and care for scalp and hair. Designed to leave hair feeling refreshed and lightweight.

Full Ingredient List

Methylchloroisothiazolinone, Methylisothiazolinone, Sodium Lauroyl Sarcosinate, Coconut Acid, Sodium Hydroxide, Parfum/Fragrance, Citric Acid, Sodium Chloride, Amodimethicone, Acrylates Copolymer, Propylene Glycol, Hexyl Cinnamal, Benzoic Acid, Laureth-9, Butylene Glycol, Linalool, Trideceth-12, Salicylic Acid, Sodium Benzoate, Magnesium Nitrate, Benzyl Alcohol, Limonene, Phenoxyethanol, Citronellol, Sorbic Acid, Magnesium Chloride, Potassium Sorbate, Disodium Laureth Sulfosuccinate, Sodium Lauryl Sulfoacetate, Glycereth-26, Sodium Isethionate, Ppg-5-Ceteth-20, Divinyldimethicone/Dimethicone Copolymer, C11-15 Pareth-7, Olea Europaea Fruit Oil/Olive Fruit Oil, Camelina Sativa Seed Oil, Helianthus Annuus Seed Extract/Sunflower Seed Extract, C12-13 Pareth-23, C12-13 Pareth-3, Poly (Linseed Oil), Benzophenone-4, Ci 14700/Red 4, Haematococcus Pluvialis Extract, Cl 15510/Orange 4, Aqua/Water/Eau, Sodium Cocoyl Isethionate, Coco-Betaine, Glycol Distearate, Decyl Glucoside, Polyquaternium 7, Polyquaternium 10, Carbomer, PEG-55 Propylene Glycol Oleate, Glycerin, Tocopherol, Hydrolyzed Vegetable Protein PG-Propyl Silanetriol, Arginine, 2-Oleamido-1,3-Octadecanediol, Caprylic/Capric Triglyceride

Key Ingredients

Methylchloroisothiazolinone

Preservative with potential for irritation and sensitization, especially in sensitive skin

Methylisothiazolinone

Preservative known for causing allergic reactions and irritation

Sodium Lauroyl Sarcosinate

Amino acid-based cleanser

Coconut Acid

Mild surfactant that cleanses without stripping natural oils

Sodium Hydroxide

pH adjuster, used in small amounts

Parfum/Fragrance

Adds scent but may cause irritation

Ingredient Breakdown

Ingredient Details Rating
Methylchloroisothiazolinone Preservative with potential for irritation and sensitization, especially in sensitive skin Bad
Methylisothiazolinone Preservative known for causing allergic reactions and irritation Bad
Sodium Lauroyl Sarcosinate Amino acid-based cleanser Moderate
Coconut Acid Mild surfactant that cleanses without stripping natural oils Moderate
Sodium Hydroxide pH adjuster, used in small amounts Moderate
Parfum/Fragrance Adds scent but may cause irritation Moderate
Citric Acid pH adjuster, gentle exfoliant Moderate
Sodium Chloride Salt - thickener, can be drying in high amounts Moderate
Amodimethicone Water-soluble silicone conditioning without heavy buildup Moderate
Acrylates Copolymer Film former, provides hold Moderate
Propylene Glycol Humectant, retains moisture Moderate
Hexyl Cinnamal Jasmine-scented fragrance, may cause allergic reactions Moderate
Benzoic Acid Preservative, can irritate sensitive skin Moderate
Laureth-9 Mild surfactant providing gentle cleansing Moderate
Butylene Glycol Humectant, improves product texture Moderate
Linalool Fragrance component, potential allergen Moderate
Trideceth-12 Nonionic surfactant that helps mix oil and water Moderate
Salicylic Acid Exfoliates scalp, treats dandruff Moderate
Sodium Benzoate Preservative, generally safe in low amounts Moderate
Magnesium Nitrate Stabilizer that can support hair strength, potential for buildup Moderate
Benzyl Alcohol Preservative and solvent, may be drying in high amounts Moderate
Limonene Fragrance from citrus, may cause sensitivity in some Moderate
Phenoxyethanol Common preservative, generally safe in cosmetic amounts Moderate
Citronellol Fragrance component with potential for irritation Moderate
Sorbic Acid Preservative, prevents mold growth Moderate
Magnesium Chloride Mineral that can enhance hair strength, potential for buildup Moderate
Potassium Sorbate Natural preservative, generally safe Moderate
Disodium Laureth Sulfosuccinate Cosmetic ingredient, effect varies by hair type Moderate
Sodium Lauryl Sulfoacetate Cosmetic ingredient, effect varies by hair type Moderate
Glycereth-26 Cosmetic ingredient, effect varies by hair type Moderate
Sodium Isethionate Cosmetic ingredient, effect varies by hair type Moderate
Ppg-5-Ceteth-20 Cosmetic ingredient, effect varies by hair type Moderate
Divinyldimethicone/Dimethicone Copolymer Cosmetic ingredient, effect varies by hair type Moderate
C11-15 Pareth-7 Cosmetic ingredient, effect varies by hair type Moderate
Olea Europaea Fruit Oil/Olive Fruit Oil Cosmetic ingredient, effect varies by hair type Moderate
Camelina Sativa Seed Oil Cosmetic ingredient, effect varies by hair type Moderate
Helianthus Annuus Seed Extract/Sunflower Seed Extract Cosmetic ingredient, effect varies by hair type Moderate
C12-13 Pareth-23 Cosmetic ingredient, effect varies by hair type Moderate
C12-13 Pareth-3 Cosmetic ingredient, effect varies by hair type Moderate
Poly (Linseed Oil) Cosmetic ingredient, effect varies by hair type Moderate
Benzophenone-4 Cosmetic ingredient, effect varies by hair type Moderate
Ci 14700/Red 4 Cosmetic ingredient, effect varies by hair type Moderate
Haematococcus Pluvialis Extract Cosmetic ingredient, effect varies by hair type Moderate
Cl 15510/Orange 4 Cosmetic ingredient, effect varies by hair type Moderate
Aqua/Water/Eau Universal solvent, hydrates and dissolves other ingredients Good
Sodium Cocoyl Isethionate Mild surfactant, gentle cleansing Good
Coco-Betaine Mild surfactant that cleanses without stripping oils Good
Glycol Distearate Adds pearlescent appearance and improves texture Good
Decyl Glucoside Gentle plant-based cleanser Good
Polyquaternium 7 Conditioning agent that reduces static and adds softness Good
Polyquaternium 10 Improves hair texture and reduces frizz Good
Carbomer Synthetic thickener, creates gel texture Good
PEG-55 Propylene Glycol Oleate Emulsifier that provides moisture and improves texture Good
Glycerin Humectant, attracts moisture Good
Tocopherol Vitamin E, antioxidant protection Good
Hydrolyzed Vegetable Protein PG-Propyl Silanetriol Strengthens and repairs hair structure Good
Arginine Amino acid, strengthens hair structure Good
2-Oleamido-1,3-Octadecanediol Lipid that helps repair and strengthen hair without weighing it down Good
Caprylic/Capric Triglyceride Lightweight coconut-derived emollient, moisturizes without grease Good

Safety & Allergens

Fragrance allergens (linalool, geraniol, coumarin) may be present if fragrance is listed.

Colorants are aesthetic only — skip if you react to synthetic dyes.

Strong surfactants and fragrance can bother very sensitive scalps.

Patch test before full use if you have fragrance allergies or reactive skin.

Summary

Best suited for users seeking a clear, balanced cleanse. Effectively targets buildup while maintaining a light feel. Be mindful of surfactant strength and fragrance if you are sensitive.

Refreshing cleanse with balanced oil control Light fragrance in formula Sensitive scalps: monitor
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