After a decade, my hair stays healthy with this favorite keratin shampoo. Totally recommended.
For ten+ years, this keratin shampoo maintains my hair's health between professional treatments, making it my trusted choice. Highly recommend!
This is a review from Amazon.com about product:
GK HAIR Global Keratin Moisturizing Shampoo (3.4 Fl Oz/100ml) for Hydrating Color Protection Dry Damage Curly Frizzy Thinning Color Treated Hair Repair Organic Paraben Sulfate Free All Hair Types

I've been using GK for over ten years now and can't say enough about how great it is and how it makes my hair always look healthy...I get Keratin treatments twice a year and this is my favorite line for my hair. Totally recommend!
Shampoo Basics & Tips
Why Keratin Shampoos Enhance Hair Health
Keratin shampoos like GK contain proteins that reconstruct hair cuticles. When you get salon keratin treatments (smoothing/straightening procedures), these shampoos preserve results by replenishing keratin lost during chemical processing. They prevent frizz and breakage by filling gaps in the hair shaft.
Long-Term Shampoo Benefits Explained
Consistent use of protein-rich shampoos strengthens hair over time. Unlike harsh sulfates that strip natural oils, formulations like GK gently cleanse while depositing strengthening agents. This cumulative effect reduces split ends and maintains shine – explaining the reviewer's decade-long satisfaction.
Post-Treatment Hair Care Essentials
After keratin treatments, avoid sulfates and sodium chloride for 2 weeks. These ingredients degrade keratin bonds. Use pH-balanced (4.5-5.5) shampoos to keep cuticles sealed. Always follow with sulfate-free conditioners to lock in moisture and prolong treatment effects.
Identifying Truly Healthy Hair
Healthy hair shows elasticity (stretches 30% without breaking), reflects light uniformly, and sheds minimally (<100 strands/day). Protein/moisture balance is key – brittle hair needs keratin, while limp hair requires clarifying formulas. Regular trims prevent damage progression.
Shampoo Selection FAQs
Q: How often should I use keratin shampoo?
A: 2-3 times weekly for maintenance; daily if hair is severely damaged.
Q: Can keratin shampoos cause buildup?
A: Yes – alternate with clarifying shampoo monthly. Look for "hydrolyzed keratin" which absorbs better.
Q: Why pair shampoo with professional treatments?
A> Salon treatments penetrate deeper, while daily shampoos provide surface-level protection and extend results.
This natural shampoo transformed my oily scalp, letting me skip daily washes while keeping hair fresh and clean.
This gentle shampoo gradually balanced my scalp's oil production, eliminated daily washes, and lasted months with my thick hair. The natural scent grew on me!
This conditioner transformed my hair with silky softness and a refreshing, non-overpowering fragrance I adore.
I'm thrilled how this conditioner delivers salon-quality softness without heavy perfumes; it's lightweight, nourishing, and leaves my hair smelling subtly luxurious all day long.
This shampoo transformed my hair—healthier, softer, and visible baby hair growth!
This shampoo revived my hair's health, added softness, and boosted baby hair growth! Though thick for low-porosity types, alternating with clarifying shampoo ensures perfect results. Repurchase-worthy!
This shampoo stopped my hair loss, boosted shine, and regrew baby hairs effortlessly.
This shampoo eliminated breakage, reduced hair fall, and sparked regrowth in receding areas. A few drops create rich lather, leaving hair shiny and deeply nourished long-term.
I found my solution for reducing hair fall and achieving salon-quality smoothness with this sulfate-free shampoo.
As someone with thick wavy hair, I'm amazed how this sulfate-free formula minimizes breakage, tames frizz, and delivers salon-worthy softness while nourishing my scalp.
This shampoo, paired with its conditioner and lotion, defines my natural curls like never before, even on damaged hair!
After switching to this shampoo and using the brand's conditioner and lotion, my curls are perfectly defined, even on damaged hair—highly recommend for natural curl enhancement!
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