Diameter System 4 Scalp & Hair Treatment (Colored Hai Progressed Thinnin Color Safe)  (Random Packaging) 100ml

Diameter System 4 Scalp & Hair Treatment is the final step in the 3D Care System Kit 4, crafted for colored hair dealing with progressed thinning. This color-safe, leave-in treatment nourishes the scalp while visibly improving the thickness and fullness of your hair, so color-treated strands stay vibrant and lively.

• Color-safe formula for colored hair—preserves vibrancy while targeting thinning areas, so you don’t have to choose between color and fullness.
• Scalp Access Delivery 2.0 with UV-protection ingredients—guards against sun exposure that can fade color and dryness, supporting healthier scalp conditions.
• Leave-in, no rinse needed—a convenient, daily routine that fits into busy mornings or nighttime regimens without washing out your color.
• Visible results you can feel—nutrients nourish the scalp, improving resilience and helping hair look thicker and fuller as moisture balance is maintained.
• 100 ml bottle—compact, easy to handle, and designed for everyday use without waste.
• Random packaging—packaging may vary, but the clinically informed formula remains consistent in delivering outcomes.

Who this is for: anyone with colored hair experiencing thinning who wants a simple, effective, color-conscious scalp treatment that supports fullness without compromising shade. It’s ideal for daily use in a routine that already includes color-safe care, making it a natural extension of your existing regimen.

How it works in real life: shake, apply evenly to the entire scalp, and style as usual. Over time, you’ll notice a healthier scalp foundation that supports stronger, more voluminous-looking hair. It’s not just about slowing thinning—it’s about helping your colored hair feel denser, with moisture balanced to reduce frizz and breakage.

Practical tips for best results:

• Apply to a dry or towel-dried scalp for even distribution.
• Focus on thinning zones along the crown and hairline to maximize impact.
• Incorporate into your morning or evening routine for consistent coverage.
• Pair with Diameter System 4 cleansing and treatment steps to maintain scalp health and color integrity.