Smoothes and protects colored hair with a soft floral scent.

2026-07-16 Shampoo reviews Categroy：Women's Views：16

I love this smoothing shampoo for color-treated hair. It smells floral, lathers well, and makes hair silky, soft, and untangled. It protects color from fading and brassiness, though hair feels flat when dry – perfect for a sleek look.Product Detail

I Love This Smoothing Shampoo for Color-Treated Hair

This is a review from Amazon.com about product:

Keratin Perfect Keratin Color Smoothing Shampoo - 32oz

I Love This Smoothing Shampoo for Color-Treated Hair

I got this for my daughter-in-law.

This shampoo works great for color-treated hair. It is a nice-sized bottle of product for the price, and it smells wonderful. It reminds her of a softer floral scent. It lathers well and made her hair feel very silky and soft afterward. She said that it did make her hair feel flat once it was dry, but she thinks that is because this is meant to be a smoothing shampoo. It made her hair feel really clean, smooth, and untangled. She loves that it is formulated to keep her colored hair protected and avoid brassiness. She would definitely recommend this shampoo.

What is Keratin Perfect Smoothing Shampoo?

Keratin Perfect Smoothing Shampoo is a salon-quality, anti-frizz formula designed specifically for color-treated hair. It combines keratin and proteins to nourish, strengthen, and smooth hair from the inside out, while protecting against fading and brassiness. The formula is free of sodium chloride, sulfates, and parabens, making it gentle enough for daily use on all hair types, including dry, damaged, and keratin-treated hair.

Key Benefits Based on User Experience

As one reviewer shared, this shampoo works great for color-treated hair. The user noted that it comes in a nice-sized bottle for the price and smells wonderful—a soft, floral scent that is pleasant but not overwhelming. The shampoo lathers well and leaves hair feeling silky, soft, and completely tangle-free after washing. It effectively cleans hair without stripping color, and the user specifically mentioned that it helps keep colored hair protected and avoids brassiness (unwanted warm or yellow tones that can develop in dyed hair).

Understanding "Brassiness" in Color-Treated Hair

Brassiness occurs when color-treated hair—especially blonde, silver, or light brown shades—develops unwanted orange, yellow, or copper tones. This is often caused by UV exposure, hard water minerals, or product buildup. A good color-safe shampoo like Keratin Perfect uses gentle cleansing agents and pH-balanced ingredients to neutralize these warm tones, extending the life of your hair color. The reviewer confirmed that this shampoo helped avoid brassiness, which is a major advantage for anyone maintaining salon color at home.

Why Hair May Feel "Flat" After Use

The reviewer mentioned that after drying, her daughter-in-law's hair felt flat, which she correctly attributed to the shampoo being a smoothing formula. Smoothing shampoos often contain ingredients like silicones or oils that coat the hair shaft, reducing frizz and volume in exchange for sleekness. This is intentional—the product is designed to tame unruly, frizzy hair and create a polished, smooth finish. For those who prefer extra volume, pairing this shampoo with a lightweight conditioner or using it every other wash can help balance texture.

Ingredients That Support Healthy, Color-Treated Hair

The formula features a salon-quality keratin blend, which is a protein naturally found in hair. Keratin helps repair damage, strengthen strands, and smooth the cuticle. Combined with additional proteins, it reinforces hair from the inside, reducing breakage and enhancing shine. The absence of sulfates (which can strip color), parabens, and sodium chloride (salt, which can cause dryness) makes it a safe choice for dyed hair. These attributes align perfectly with the reviewer's positive experience of soft, silky, and clean-feeling hair.

How to Use for Best Results

For optimal color protection and smoothness, apply a quarter-sized amount to wet hair, massage into a rich lather focusing on the scalp, then rinse thoroughly. Follow with a color-safe conditioner or a lightweight smoothing conditioner if volume is a concern. The product can be used daily without damaging color or hair health. For extra frizz control, pair with Keratin Perfect's matching conditioner or leave-in treatment.

Who Is This Shampoo For?

This shampoo is ideal for anyone with color-treated hair who wants to maintain vibrancy, reduce brassiness, and achieve a smooth, silky texture. It also works well for naturally frizzy, dry, or damaged hair, as well as for those who have had professional keratin treatments. The reviewer recommended it without hesitation, emphasizing its ability to keep hair clean, smooth, and tangle-free while extending color life.

Final Thoughts on the Product

Based on the reviewer's firsthand experience, Keratin Perfect Smoothing Shampoo delivers on its promises: it protects color, prevents brassiness, smells great, and leaves hair feeling silky and manageable. The slight flattening effect is expected for a smoothing formula and can be managed with styling or alternating products. For the price, the large bottle offers excellent value, making it a solid addition to any color-care hair routine. If you're seeking a gentle, effective shampoo that keeps your color vibrant and your hair sleek, this is a reliable choice.