Joico YouthLock Colour Chart

This page is an informational shade chart and conversion guide—it is not an item for sale. YouthLock is engineered specifically for mature, coarse, and resistant grey hair. Select your series below to purchase individual tubes.

YouthLock Series Picker

• YouthLock NN Series — 100% Resistant Grey Coverage with Balanced Depth
• YouthLock NNA Series — Resistant Grey Coverage with Cool Brass Neutralization
• YouthLock NNWC Series — Resistant Grey Coverage with Warm Copper
Joico Lumishine Developer — 20 Volume Recommended for Resistant Grey

Other Joico Colour Systems

• Joico Lumishine Standard Colour Swatch — Full Permanent Crème Line (Fashion, Ash, Warm, High Lift)
• Joico Color Intensity Colour Swatch — Semi-Permanent Direct Dyes

Technical Formulation Guide

Collagen + ArgiPlex: YouthLock combines Joico's bond-building ArgiPlex arginine matrix with cosmetic collagen, certified Buriti oil, and restorative lipids. It penetrates coarse, wiry grey strands to restore youthful softness, body, and 100% opaque grey coverage.

Mixing & Timing: Mix 1:1 with 20 Volume Joico Lumishine Developer. Process for 45 minutes on dry, unwashed hair to ensure deep pigment saturation into stubborn cuticles.

Fulfillment: Authentic Joico YouthLock professional tubes ship across Canada with free shipping on qualifying orders over $59.