The Thickening Duo
Shampoo & Conditioner
Good For: Fine, flat, thinning or shedding hair.
A shampoo and conditioner formulated to be lightweight for regular use that gently cleanses and nourishes without weighing hair down, promoting thicker, healthier-looking hair.
• Adds body and thickness without weighing down
• Powered by advanced bio-actives
• Lightweight for daily use and gentle on color-treated hair
dermatologist tested • cruelty-free • safety tested • vegan
- Adds body and thickness without weighing down
- Powered by advanced bio-actives
- Gentle for daily use and color-treated hair
- Smooths, detangles, and enhances shine for effortless manageability
- Creates a rich, cushiony lather that cleanses without stripping
GOOD FOR: Fine, flat or thinning or shedding hair.
BASE-K offers a holistic approach to hair wellness—supporting long-term scalp vitality and hair resilience at every stage of life.
Thickening Shampoo
- Thoroughly wet hair.
- Use hands or the BASE-K scalp massager to lather on scalp and hair. Leave in for 2-4 minutes. Rinse well.
Thickening Conditioner
- Remove excess water from hair.
- Apply to hair and down through strands. Leave in for 3-4 minutes. Rinse well.
- Acetyl Tetrapeptide-3 – Strengthens hair fibers and supports visible fullness
- Rosemary – Known to help stimulate scalp circulation and support fuller, thicker-looking hair
- Centella Asiatica (Cica) – Soothes and protects strands while supporting overall hair resilience
- Clover Flower – Works synergistically with peptides to strengthen and fortify hair for healthier-looking locks
No parabens, sulfates, silicones, phthalates, synthetic dyes/colorants or mineral oils
Complete your BASE-K Ritual
Inspired by Korean headspa rituals and the philosophy behind Korean multi-step skincare, the BASE-K Ritual reimagines haircare as a layered system that purifies, nourishes, and strengthens from root to strand.
Curated Bundles
Curated collections for a complete, results-driven ritual








