6:21 Haircare Onion & Rosemary Hair Growth Shampoo – Sulfate-Free, 16.9 oz by Kika Nieto

Meet a lightweight, sulfate-free shampoo designed to cleanse without stripping moisture and to refresh the scalp for a healthier feel. 6:21 Haircare Onion and Rosemary Shampoo blends caffeine with onion extract, verbena, rosemary, quinoa, coconut and guava to nourish hair fibers while keeping weight off the strands. The result is a clean, airy wash that prepares hair for styling and daily life.

This paraben-free formula is vegan and color-safe, making it suitable for a wide range of hair types and color treatments. The formula balances cleansing with hydration to leave hair feeling softer, more manageable, and ready for detangling after each wash.

Key benefits you may notice

• Promotes a healthy scalp environment that feels refreshed and energized, laying a foundation for healthier looking hair
• Supports thinning hair and may help reduce breakage from daily styling for smoother lengths
• Lightweight cleanse that removes buildup while preserving moisture, leaving hair soft with natural shine
• Helps add volume, texture and manageability, making comb-through easier from wash day to the next day
• 100 vegan and color safe for all hair types including color treated hair

Ingredient spotlight

The blend of onion extract for scalp vitality and caffeine for stimulation, with rosemary and verbena for balance and fragrance, plus quinoa, coconut and guava for moisture creates a balanced wash day ritual. The 621 signature scent adds a sensory layer to routine care.

How to use

• Apply to wet hair, massage into the scalp, rinse and follow with conditioner as needed
• Use regularly as part of your chosen hair care routine to maintain a clean foundation

Who is this for

Designed for all hair types straight, wavy, curly or coily; safe for color treated hair. This shampoo is gentle enough for daily use and pairs well with complementary conditioners for layering moisture and style.

Why choose 6:21 Haircare

Clean formulas and a thoughtful sensory experience define this brand. A lightweight cleanse supports easy detangling, natural body, and a refreshing feel between washes. It aligns with a mindful routine that respects hair health and personal care rituals.

• Lightweight formula supports easy detangling and natural body
• Vegan, color safe and paraben free ingredients align with a mindful routine
• Signature scent enhances daily self-care rituals