Take synthetic clip-ins out before washing. Detangle the dry hair, close the clips, then wash gently in cool water with a cleanser made for synthetic hair. Rinse thoroughly, press out water with a towel and let the hair, base and clip attachments air-dry completely before wearing or storing the piece.
EWIGSC’s 18-inch wavy clip-in is one approximately 110 g piece with several clips across a connected spider-shaped base. Keep that base supported while cleaning it, and let the lengths lie in their existing wave. Curling irons, flat irons and hot blow-drying are not recommended for this piece.
Does it need a wash or just gentle detangling?
Wash when the piece has noticeable buildup, unwanted odor or a coated feel. A few knots after wearing can often be dealt with by dry detangling. Check the hair and base separately: the lengths may look clean while the area around a clip has caught loose hairs or residue.
| What you notice | What to do first | What to check afterward |
|---|---|---|
| A few loose knots, with no buildup or odor | Support the hair above each knot and gently separate it from the ends upward | If the hair moves freely again, a full wash can wait |
| Sticky or coated lengths, or an unwanted smell | Remove the piece and follow the wash-and-dry routine below | Check the clean, dry hair before adding another styling product |
| Loose hairs wrapped around a clip | Open the clip and gently free the loose hairs while the piece is dry | Make sure the clip opens and closes normally; avoid pulling on its stitching |
| A loose attachment, bent clip teeth or a clip that will not close | Set the piece aside for inspection | Cleaning will not repair a fastening problem; resolve it before wearing |
There is no need to wash the extension automatically every time you wash your own hair. Remove it first and judge its condition independently. The washing routine here is for removable clip-ins; installed tape-ins, bonds and sewn-in hair require care around the wearer’s scalp and attachments.
Set up for one connected piece
Have a clean basin large enough to hold the hair without packing it into a tight ball, cool water, synthetic-hair cleanser, a wide-tooth comb and clean absorbent towels. Clear a flat drying area away from direct heat.
Use a cleanser labeled for synthetic wigs, hairpieces or extensions. Read its dilution and rinsing directions before filling the basin. A “sulfate-free” label on ordinary shampoo does not establish that it is suitable for synthetic hair.
The connected base matters when handling our 18-inch wavy synthetic spider-weft clip-in. It stays together throughout cleaning. Lift it with support beneath the base and lengths, keeping the weight of the wet hair off any single clip. The same construction is shown in our synthetic clip-in hair extensions collection.
Wash and dry the clip-in in six steps
1. Remove it and clear tangles while dry
Support the base, open each clip and release it from your hair before lifting the piece away. Spread it on a clean towel so you can see the fastening points.
Hold the hair above a knot and use your fingers to loosen it. Follow with a wide-tooth comb where needed, working a small section from the ends upward. Keep the comb clear of the base and clips. For the soft wave, use only enough passes to free the hair without repeatedly stretching it straight.
Free loose strands caught around the clip teeth. If a strand is trapped in the attachment stitching, stop pulling. Close the clips once the loose hair is clear, before lowering the piece into the basin.
2. Mix the cleansing water
Add the cleanser to cool water using the amount stated on its bottle, and mix it before putting the hair in. Pouring concentrated cleanser directly onto one area can make it harder to distribute and rinse evenly.
Keep the lengths loosely arranged as you lower them into the water. Support the connected base in your hand and wet the fabric around the clip attachments as well as the hair. Avoid folding the piece into a bundle with the clips buried among the ends.
3. Clean gently without rubbing the wave
Let the cleansing solution pass through the piece. Use light handling to wet any areas that remain dry, keeping the hair running in the same direction. Do not scrub the lengths together, twist the base or pull the ends through a closed fist.
If the cleanser specifies a brief soak for synthetic hairpieces, follow that instruction and rinse when it is complete. Keep the piece attended; a longer soak is not a reliable way to remove more buildup. Continue to support the base as you lift it out.
The fabric base needs cleaning too. Let solution reach it without rubbing the stitched clip attachments. Leave the clips in place throughout washing; they do not need to be detached from the base.
4. Rinse the base and lengths thoroughly
Use cool running water at a gentle flow, or fresh basin water that you replace as it becomes soapy. Support the base and let the rinse flow along the hair toward the ends. Turn the piece carefully so water reaches both sides of the base and the fabric beside each clip.
Keep rinsing until visible cleanser and suds have cleared from the base as well as the lengths. Look between overlapping sections instead of checking only the outside. Lift the piece with support underneath and let excess water drain without twisting it.
5. Blot and air-dry with the base supported
Lay the piece on a clean towel with the lengths following their existing wave. Fold another part of the towel over it and press lightly to absorb water. Pat around the base; avoid rubbing the hair back and forth or crushing the clips under your hand.
Move it onto a dry towel in a well-ventilated area. Spread the connected base open and arrange the hair loosely so it is not trapped underneath. Replace a soaked towel with a dry one. If the underside remains damp, lift the piece with both the base and lengths supported and turn it gently onto a dry surface.
Let it dry naturally at room temperature, away from radiators, direct sunlight and hot appliances. Drying time varies with airflow, humidity and how much water remains, so check the actual piece before using it.
6. Check the fastening points before wearing
With clean, dry fingers, check both sides of the base, the fabric around every clip and the thicker areas where the hair joins the base. These areas must be dry even if the ends already feel ready. Do not put a damp piece into its storage bag.
Once everything is dry, open and close each clip and look for trapped hairs, loose stitching or damaged teeth. Arrange the wave with your fingers. Do any remaining gentle detangling in small sections, supporting the hair above the tangle.
When the piece is clean, dry and its fastenings work normally, our clip-in placement guide explains how to secure the center clips first and work outward. If the outer clips remain visible beneath your hair, use the hair-length and coverage checks before trying to wear it higher or tighter.
Keep conditioning and heat advice specific to the fiber
Human-hair clip-in routines often include rich masks, oils and heat styling. For EWIGSC’s synthetic wave, use only a conditioning product labeled for synthetic hair, following its application directions. If it is a leave-in spray, apply it as directed through the lengths and keep it off the base and clip attachments. Rinse-out and leave-in products have different instructions.
Do not use a hot dryer to finish damp areas around the base. Give those areas more air-drying time. Heat protectant does not make this extension suitable for heated drying or restyling.
Manufacturer instructions also differ on wet combing. This routine puts the main detangling before washing and leaves final arranging until the piece is dry, avoiding a forceful comb-through of the wet wave.
What if it still feels rough after washing?
Let it dry completely before deciding what the problem is. If you can still see cleanser or feel a coating, check your rinsing and the products used. Repeatedly adding shampoo, oil or spray makes it harder to tell what remains on the hair.
If the dry lengths are tangled, support them and gently work through a small area from the ends. Stop if the fibers resist or a knot tightens. Persistent matting, damaged fibers or unreliable clips need a different decision from routine cleaning.
EWIGSC’s expected use period for this synthetic piece is about 6–12 months with proper care, or 3–6 months when the same piece is worn daily. Its condition still determines when to replace it. Our extension lifespan guide explains those checks. Washing removes buildup; it cannot repair broken clips or guarantee that a damaged wave returns to its original shape.
Questions before your first wash
Should I wash new clip-ins before deciding to keep them?
No. Make your keep-or-return decision before washing or cutting. EWIGSC’s return conditions require eligible pieces to remain unwashed, uncut, unstyled and unaltered, with original tags, packaging and accessories intact. If a new piece arrives with an unexpected odor, residue or damage, contact us before trying to clean it.
Can I use dish soap or fabric softener?
Use a cleanser intended for synthetic hair instead. Dish soap and laundry softener are not the care products specified for this routine. If you have no suitable cleanser, set the piece aside until you do; avoid experimenting with household mixtures.
Finish wash day with the base dry, the clips working and the lengths loose in their wave. Store the piece where the hair can lie without being crushed or caught, ready for its next wear.
References & Sources
- Hairdo: How to Wash and Style Synthetic Extensions, Hairpieces, and Hair Accessories Preparation and synthetic-extension washing guidance. Its heat-friendly styling directions do not apply to EWIGSC’s piece.
- HairUWear: Spirit Wear Synthetic Fiber Care Instructions Gentle handling, cool-water rinsing and wavy-fiber precautions; branded cleanser amounts and treatment formulas remain specific to its products.
- Tony of Beverly: How to Wash a Synthetic Fiber Wig or Hairpiece Towel handling, room-temperature drying and avoiding wet brushing.
- EWIGSC: 18-inch Wavy Synthetic Spider-Weft Clip-In Hair Extension Single-piece construction, weight and care directions.
Sources and product details checked October 28, 2026.


0 comments