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.
This shampoo eliminates graying, nourishes hair, and leaves a refreshing scent—my hair feels rejuvenated!
After trying multiple non-graying shampoos, this one stands out—effectively prevents discoloration, deeply nourishes, and leaves hair fragrantly fresh. Highly recommend!
Actiiv shampoo slowed my hair loss, boosted growth, and improved hair health naturally.
Using Actiiv shampoo for two months significantly slowed my hair loss, promoted thicker hair growth, and improved overall hair health, including eyebrows and lashes.
This shampoo leaves my hair silky smooth and frizz-free when dry, though it tangles when wet.
My hair feels silky smooth and frizz-free after using this shampoo. While it causes tangles when wet, the final results are flawless and long-lasting.
I love this tea tree shampoo's minty freshness and deeply cleansed, revitalized scalp feel.
This tea tree shampoo's minty formula cleanses thoroughly yet gently, leaving my scalp refreshed, hair lightweight, and lasting freshness between washes.
This shampoo cleared my son's scalp psoriasis and left a refreshing scent he loves.
This shampoo effectively cleared my teen son's scalp psoriasis, and he adores its refreshing scent—our solution for healthy, fragrant hair care.
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My stylist-recommended Brazilian Blowout transformed my over-processed hair into healthy, lustrous locks affordably – finally achieving dream hair!
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My hair gains volume and shine despite slight dryness – worth the color fade tradeoff!
My sensitive scalp thrives with this fragrance-free shampoo enriched with gentle grapeseed oil.
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I prefer refilling my own bottle over awkward travel-sized shampoo packaging for cost efficiency.
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