DISULFIDE BOND REDUCTIVE HAIR MASKWhat is a disulfide bond? A disulfide bond is the link that supports the health of hair. Hair is 90% keratin. Keratin requires disulfide bonds to link and hold it together. Therefore, the integrity of disulfide bonds determines the health of the hair. NO NEED TO CUT DRY AND DAMAGED HAIRThe disulfide bond reductive hair mask uses Silsoft AX fluid ingredients to help effectively repair damaged hair, bond broken hair strands at both ends, bond and seals broken hair strands together, fills and repairs the hair structure, make the reconnected strands more secure. THE SAVIOR OF DAMAGED HAIRThis is a savior for damaged hair caused by perming, bleaching, and dyeing. It helps to effectively repair hair, restore healthy hair structure, automatically untangle knots, improve breakage issues, deeply moisturise, reduce dryness, and leave hair soft, smooth, strong, and shiny. IMPROVE HAIR QUALITYOrdinary hair masks cannot repair damaged hair. If your hair is frizzy, tangled, difficult to comb through, breakage and split ends or damaged, dry, and dull due to perming,bleaching or dyeing, you can use this hair mask to help improve the condition of your hair. Each use strengthens and reshapes the hair structure, improving its resilience to daily damage. INSTRUCTIONS FOR USE - PRE-WASH USEStep 1: Wet your hair and pat it dry until it's semi-damp. Step 2: Apply an appropriate amount of the hair mask evenly to your hair (avoiding the scalp), then tie your hair up or cover it with a shower cap. Wait for 5~30 minutes (exact time can be adjusted according to your personal hair washing routine). Step 3: Rinse thoroughly with plenty of water.