Sleek by Hailey
4A CLIP INS
4A CLIP INS
Our 4A Clip-Ins are designed to add instant length and volume with tight, springy coils that blend seamlessly into naturally coily hair. This curl pattern delivers fullness and definition while maintaining a soft, natural look and feel.
Made from 100% ethically sourced human hair, each set is cuticle-aligned to help preserve coil structure, reduce tangling, and maintain long-lasting softness. These clip-ins can be worn in their natural pattern or lightly styled, offering versatility while protecting the integrity of your coils.
Product Information:
- 100% Human Hair
- Ethically sourced & cuticle-aligned
- Heat safe for styling
- Color safe for customization
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- Free U.S. & Canadian shipping on orders over $300
This item is final sale! Return Policy
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The brand that represents all hair textures.
The brand that represents all hair textures.
The brand that represents all hair textures.
Care Instructions
Proper care is essential to maintain the quality, softness, and longevity of your hair extensions. With the right routine, your hair will remain tangle-free, smooth, and long-lasting. Follow the care instructions below to help preserve the integrity of your extensions and ensure the best results throughout wear and styling.
- Co-wash before installation
- Use sulfate-free shampoo and conditioner
- Detangle gently with fingers or a wide-tooth comb
- Air dry for best results
- Use a heat protectant before heat styling
hair extension length guide
Not sure which length to choose?
Choosing the right length can make all the difference. Our hair extension length guide helps you visualize how each length will look, so you can confidently select the perfect option to match your desired style and overall look.
Frequently Asked Questions
How many bundles do I need for a full sew-in?
Density is always based on personal preference. For standard volume guidelines, we recommend 2 bundles (200g) for lengths 16" and above. For lengths 18" or more, we recommend 3 bundles (300g) at minimum.
Can my extensions be hot tool styled?
Absolutely! When working with luxury human hair extensions, you can (and should!!) treat them just as your own hair growing from your scalp. Before using any heat tool (straightener, curler, blow dryer, etc), we highly recommend applying a heat protectant.
Will the curls revert after washing?
Yes! Your curly extensions will go back to their curly state after washing them. We highly recommend allowing the extensions to air dry after detangling them thoroughly.
Is the hair ethically sourced?
Yes! All Sleek by Hailey extensions are made with 100% ethically sourced cuticle-aligned human hair from donors.
Can I dye or bleach this hair?
Yes! We highly recommend that a professional perform any coloring to keep the hair in its best condition.
Customers are saying
These clip ins are amazing and so easy to style and use. I can treat them exactly like my natural hair and they hold product really well. They’re also easy to detangle. Would definitely recommend especially if you’re looking for a versatile style :)
Thank you so much ! I absolutely love them! The best clip ins I’ve ever had thus far and with me being new to the clip in community lol these are the best and blend so well! It gives me all the motivation to keep growing my natural hair all while getting through the awkward short phase.