How to Clean Extensions Properly: The Complete Guide

How to Clean Extensions Properly: The Complete Guide
Clean extensions properly flat lay with sulfate-free shampoo, wide tooth comb, clarifying spray and microfiber towel on white marble

Cleaning extensions correctly is one of the most important — and most misunderstood — aspects of extension care. Too little cleaning causes buildup that weighs extensions down and causes tangling. Too much cleaning or incorrect technique strips moisture and shortens extension lifespan. Here's the complete guide to cleaning extensions properly.

How Often to Clean Extensions

  • Clip-in extensions: Every 15–20 wears, or when they feel heavy, look dull, or smell like product.
  • Tape-in extensions: Every 1–2 weeks, coordinated with your natural hair wash day.
  • Sew-in/weft extensions: Every 1–2 weeks.
  • Wigs: Every 5–7 wears.

Over-washing strips moisture. Under-washing causes buildup. Find the frequency that keeps extensions clean without over-drying.

Before You Clean: Detangle First

This is the most important pre-wash step. Washing tangled extensions causes tangles to tighten and mat — sometimes irreversibly. Always detangle completely before getting extensions wet.

  • Use a loop brush or wide-tooth comb.
  • Start from the ends and work upward in small sections.
  • Apply a detangling spray if extensions are particularly dry or tangled.

The Cleaning Process

Step 1: Pre-Wash Oil Treatment

Apply coconut or argan oil to dry extensions 30 minutes before washing. This reduces protein loss during washing and keeps extensions softer post-wash.

Step 2: Wet with Lukewarm Water

Wet extensions in a downward direction — from roots to ends. Never hot water. Never flip upside down or pile on top of the head.

Step 3: Sulfate-Free Shampoo

  • Dilute shampoo with water before applying for more even distribution.
  • Apply in a downward, stroking motion — never scrub or circular motions.
  • Focus on the weft/bond area where buildup accumulates most.

Step 4: Clarify Monthly

Once a month, use a clarifying shampoo instead of regular shampoo to remove accumulated silicone, product, and mineral buildup that regular shampoo can't fully address. Always follow with deep conditioning.

Step 5: Rinse Thoroughly

Rinse in a downward direction until water runs completely clear. Any remaining shampoo causes buildup and tangling.

Step 6: Deep Condition

  • Apply a rich deep conditioner from mid-lengths to ends — avoid the weft/bonds.
  • Leave on for 20–30 minutes.
  • Rinse with cool water to seal the cuticle.

Step 7: Blot and Dry

  • Gently blot with a microfiber towel — never rub.
  • Apply leave-in conditioner while damp.
  • Seal with argan oil.
  • Air dry completely before storing — never store damp.

Our Easiest-to-Clean Extensions

Final Thoughts

Cleaning extensions correctly comes down to technique: detangle before washing, use sulfate-free shampoo in downward motions, deep condition every wash, rinse with cool water, and air dry completely. Monthly clarifying removes buildup that regular washing can't address. Master these steps and your extensions will look better after cleaning than before, and last significantly longer.