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Plastic-Free Rating
Personal Care
Mainstream Brand
Personal Care·Nexxus

Therappe Shampoo

D
PFR Grade
Poor — significant plastic content, use with caution
Contains plastic packaging, sulfates (Sodium Laureth Sulfate), artificial fragrance, and harsh preservatives like DMDM Hydantoin, Methylchloroisothiazolinone, and Methylisothiazolinone, which are known sensitizers and formaldehyde releasers.
PFR Avoid

A moisturizing shampoo designed to replenish hair fibers with a protein complex for 24-hour hydration. Contains sulfates, artificial fragrance, and harsh preservatives.

Score Breakdown

How scores are calculated

Materials (40%): How plastic-free the product is — raw materials, construction, and coatings.

Packaging (20%): Is the product packaged in plastic? Is it recyclable?

Transparency (20%): Does the brand disclose ingredients, sourcing, and manufacturing?

Durability (20%): How long does it last? Longer-lasting products reduce plastic waste over time.

Materials
4
Packaging
3
Transparency
4
Durability
5

This is a rating of this specific product only — not the company. Other products from this brand may score differently.

Last updated: April 8, 2026

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High Exposure Risk — Why This Product Category Matters

Contains plastic packaging, sulfates (Sodium Laureth Sulfate), artificial fragrance, and harsh preservatives like DMDM Hydantoin, Methylchloroisothiazolinone, and Methylisothiazolinone, which are known sensitizers and formaldehyde releasers.

Synthetic Plastic Content
%
synthetic plastic by weight

Why We Rated It This Way

Nexxus's Therappe Shampoo is made from Plastic bottle, shampoo liquid (Water (Aqua), Sodium Laureth Sulfate, Cocamidopropyl Betaine, Glycol Distearate, Sodium Chloride, Hydrolyzed Elastin, Hydrolyzed Keratin, Hydrolyzed Wheat Protein, Cocos Nucifera (Coconut) Oil, Polyquaternium-10, Fragrance (Parfum), PEG-6 Caprylic/Capric Glycerides, Glycerin, Gluconolactone, PPG-9, Trehalose, Citric Acid, Adipic Acid, Sodium Sulfate, DMDM Hydantoin, Disodium EDTA, Methylchloroisothiazolinone, Methylisothiazol

Chemical & Health Analysis

Each chemical of concern is broken down below — what it is, where it comes from in this product, what it does to the body, and who is most at risk.

Contains:Standard plastic
1

Various plastic chemicals

Source

Nexxus Therappe Shampoo

Health Risk

Potential skin irritation from sulfates and sensitization from fragrance and isothiazolinones. DMDM Hydantoin is a formaldehyde releaser.

Who Is Most At RiskEveryone

All health claims are based on published, peer-reviewed research from the NIH, WHO, IARC, and peer-reviewed journals. This information is for educational purposes and does not constitute medical advice.

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