Love this shampoo's rich lather and scent, though it lasts 28 washes, not 40 as claimed.
This shampoo's luxurious lather and refreshing scent wowed me, though it lasted 28 washes instead of 40—still a great value for the quality!
This is a review from Amazon.com about product:
Nexxus Color Assure Replenishing Nutrient Shampoo - 13.5 oz
Don’t get me wrong I love the shampoo lathers up great!!
Smell great!!
But unfortunately, it does not last for 40 shampoos as advertised I say about 28.
Shampoo Basics & Tips
Understanding Shampoo Performance Factors
Lather Quality: The reviewer praises the shampoo's rich lathering. Lather forms when surfactants trap air in water. While more foam doesn't mean better cleaning, it enhances sensory satisfaction and helps distribute product evenly.
Scent Longevity in Hair Care
Fragrance Retention: The shampoo's pleasant scent is highlighted. Fragrance longevity depends on oil-soluble aroma molecules and hair porosity. Products with cationic conditioners often retain scents longer by bonding to hair strands.
Shampoo Quantity vs. Advertised Washes
Usage Calculations: The discrepancy between advertised 40 washes and actual 28 stems from varying hair lengths and application habits. Manufacturers calculate based on 5ml per wash for shoulder-length hair. Thicker/longer hair may require 10ml, halving total uses.
Shampoo Preservation Tips
Shelf Life Optimization: Store shampoos in cool, dry areas to maintain efficacy. Exposure to humidity degrades surfactants and fragrances. Pump bottles preserve formula integrity better than open-mouth containers.
Common Shampoo Selection Criteria
Hair Type Matching: Always choose sulfate-free formulas for color-treated hair, clarifying options for oily scalps, and moisturizing shampoos with panthenol for dry hair. pH-balanced products (4.5-5.5) help maintain scalp health.
My oily itchy scalp finds relief with this mild shampoo that stops eruptions without stinging eyes.
As someone with short hair, I value how this mild shampoo tames my itchy oily scalp, minimizes eruptions, and provides sting-free relief that justifies its cost.
I switched from carcinogenic T Gel to this shampoo—it's effective for my scalp psoriasis with zero cancer risks.
As a psoriasis sufferer, I found this non-carcinogenic shampoo reduces flakes and itching effectively. It's safer than T Gel, giving me peace of mind with consistent use.
I love this natural shampoo for taming frizz and enhancing my thick wavy hair's health and shine.
After my stylist suggested Paul Mitchell's clean shampoo, I adore how its natural origin ingredients control frizz and make my thick wavy hair look and feel incredible daily.
I love this clean-ingredient shampoo bar—no waxy residue, just shiny refreshed hair, though pricey for size.
This shampoo bar leaves my hair shiny and residue-free thanks to its clean, skin-friendly formula. While refreshing, it's expensive for the compact size—ideal for eco-conscious users prioritizing ingredient quality.
This thick shampoo leaves my hair and beard soft, moisturized, and dandruff-free with minimal cost-effective use.
This shampoo transformed my hair and beard: ultra-soft, deeply moisturized, and virtually dandruff-free after one use. Its thick consistency saves money by requiring less product, while the company's exceptional customer service solved my shipping concern
Bedhead shampoo transforms my fine hair with lasting volume, bounce, and damage protection—my 4-year staple for healthy locks.
For four years, Bedhead shampoo has rescued my flat, fine hair by delivering amazing volume and bounce. It nourishes deeply, strengthens strands daily, and protects against heat damage—essential for styled hair health.
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