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.
I love this fair-trade organic shampoo for healthier hair and reduced washing, worth every penny.
As a long-time organic product enthusiast, I'm thrilled this fair-trade shampoo delivers visibly healthier hair with less frequent washing, making the investment worthwhile for sustainable beauty.
This biotin argan oil shampoo transformed my frizzy hair into soft, manageable locks with lasting shine.
After using this shampoo with biotin and argan oil, my hair feels smoother and looks shinier daily. The hydrating formula tames frizz effectively while the light floral fragrance makes every wash enjoyable. (20 words)
This shampoo transformed my chemo-regrowing hair and wigs—silky, manageable texture with awesome tingle easing my itchy scalp.
My stepdaughter recovering from chemo used this on her regrowing hair and wigs beautifully. I'm amazed—after one week, my hair is prettier, better textured, more manageable. The tea tree eases my itchy scalp with a fantastic tingle.
I brighten gray hair with thick luxurious shampoo despite occasional lavender hue in bright light.
This shampoo and conditioner effectively brighten my natural gray hair with their thick, luxurious texture. Though intense light sometimes shows lavender tones, the overall benefits make me continue usage as recommended.
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.
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I used this shampoo and my hair grew thicker, healthier, and stopped falling out.
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After finishing the bottle, I saw reduced hair loss and will buy again.
I tried this shampoo and my dry, coarse hair looked amazing after the first wash.
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