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

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

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 loved how easy this shampoo applied and rinsed, with color lasting longer than expected, but the shade was inaccurate.

I appreciated the effortless application and extended color durability of this shampoo, though the Chestnut Brown shade had noticeable red undertones that I didn't like, leading me to consider another brown option in the future.

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I love this shampoo for its non-drying feel and subtle purple effect.

I always repurchase this shampoo for its non-drying effect. I carefully time application to avoid light purple tint on hair.

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I love how this shampoo makes my hair soft, smells nice, cleans well, and never dries it out.

This shampoo leaves my hair wonderfully soft, has a lovely scent, cleans effectively without drying, and features a durable bottle for a reliable daily hair care experience.

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I love how it controls frizz and hydrates, leaving my hair soft and smelling amazing.

I found this shampoo amazing for taming frizz and deeply hydrating my hair, making it smell wonderful and look bouncy and full after just one use, perfect for any hair type.

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My shampoo transforms fine hair into thicker, fuller strands with growth.

This shampoo transforms my fine hair: thicker, fuller, growing. Coconut scent not preferred; I'll try rose. Best for thinning hair.

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I love how this shampoo cleans my fine hair without making it heavy or stripped.

After using this shampoo, my fine hair feels super clean and full of volume without any heaviness or dryness, making it perfect for daily use and easy styling.

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

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