Shampoo reviewsUnisexNoticing thinned shampoo with odd smell; possibly expired or altered batches received.

Noticing thinned shampoo with odd smell; possibly expired or altered batches received.

2025-12-07 Shampoo reviews Categroy:Unisex Views:216


Experiencing thinned consistency and chemical odor in recent shampoo orders, suspecting expired stock or potential tampering affecting product integrity.


This is a review from Amazon.com about product:


Keratherapy Keratin Infused Moisture Shampoo, 10.1 fl. oz., 300 ml - Anti Frizz Moisture Shampoo for Oily Scalp and Dry Ends - Kerabond Technology, Aloe Vera, & Willow Bark


My Shampoo Review: Thinned Texture & Chemical Smell Issues


The last 2 shipments I received shampoo that was thinned out and had a weird chemical smell to them. Either they are very old batches that have been sitting on a shelf for a while or they have been tampered with.


Shampoo Basics & Tips


Understanding Shampoo Consistency and Odor Changes


Thinned Formulation: Shampoo viscosity changes could indicate ingredient separation due to prolonged storage. Most formulas contain stabilizers that degrade over 2-3 years, potentially altering texture.


Chemical Smell Development


Shelf Life Factors: Preservatives like parabens break down over time, releasing volatile compounds. Temperature fluctuations during storage accelerate this process, creating unusual odors.


Batch Age Indicators


Production Codes: Manufacturers use Julian date coding (e.g., 22435 = 2022 day 435). Older batches exceeding 36 months may show quality degradation.


Tampering Evidence


Packaging Integrity: Legitimate shrinkage occurs naturally, but sudden viscosity changes combined with broken seals suggest possible dilution or contamination during handling.


Quality Preservation


Storage Conditions: Ideal shampoo preservation requires stable temperatures (15-25°C) and humidity below 60%. Improper storage accelerates ingredient breakdown.



I'm amazed how this shampoo lathers richly with little product, conditioner works wonders, and scent is light for extensions.

I wear tape-in extensions and love that this shampoo lathers well with minimal product, conditioner performs excellently, scent is pleasantly light, so I reordered and plan long-term use.

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I rate this shampoo 10/10 for its amazing results and always recommend it.

I love this shampoo and conditioner; they make my hair perfect, so I rate 10/10 and recommend to all for incredible hair care benefits.

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I finally overcame my seborrheic dermatitis using DHS SAL Shampoo in one week.

I had severe seborrheic dermatitis, but DHS SAL Shampoo with salicylic acid cleared it quickly without causing dryness, and I've been symptom-free for months now.

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I find this shampoo great smelling and lightweight, ideal for holistic care.

My experience with this shampoo is very positive due to its great scent and light feel, perfect for holistic cleaning that improves my hair's health.

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I use this shampoo for soft, shiny hair and less frequent washing.

This shampoo keeps my hair light and fresh, soft and shiny. I wash every three days now, a huge improvement from before.

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I experience tingling scalp from this shampoo and hope it reduces hair loss.

I find this shampoo well-made with a scalp-tingling effect, and I'm monitoring for potential hair growth benefits and loss prevention.

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Tags: thinned shampoo chemical smell expired batches product tampering storage conditions


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