Mistake #1: Using the Wrong Products
When it comes to caring for hair extensions, the products you choose can make or break your results, literally! One of the most damaging hair extension mistakes is using shampoos and conditioners that contain sulfates. These harsh detergents are often found in everyday haircare products and are designed to create a foamy lather, but they also strip the hair of its natural oils. For natural hair, this may not seem like a huge problem, but for hair extensions that don't receive natural scalp oils, sulfates can be incredibly drying and harmful. They weaken the bonds and adhesive that keep your extensions secure, leading to premature slippage and dull, brittle strands.
Heavy oils are another common offender. While they might seem like a good way to hydrate dry hair, they can actually loosen the adhesive or tapes used to hold your extensions in place. When these oils make contact with the bonds, they reduce their effectiveness and cause extensions to slip out more easily.
Alcohol-based products can also wreak havoc, causing the hair to dry out, become brittle, and more prone to breakage. If you’ve ever noticed frizz, tangling, or a lacklustre appearance shortly after applying certain products, alcohol may be to blame. These are all important examples of what not to do with hair extensions, as they compromise both the integrity and appearance of your look.
What to Do Instead
To avoid these issues, choosing the right haircare products is essential. Your routine should centre around gentle, nourishing formulas and serums like The Hair Hero that support your extensions, not harm them. Look for sulfate-free, extension-safe shampoos and conditioners that cleanse effectively without drying or damaging the hair. These kinds of products help maintain moisture levels while also protecting the delicate bonds that keep your extensions securely attached. It’s also wise to avoid silicone-heavy leave-ins, which can coat the hair and eventually cause build-up. Instead, opt for lightweight, silicone-free masks that hydrate and smooth your extensions without compromising their structure or finish.
For those unsure of where to start, our haircare product range at SWAY is expertly formulated for extension care and offers a selection of shampoos, conditioners, and treatments like hair oils and heat protectants that deliver moisture, shine, strength and defence without the harsh ingredients found in standard hair products. Discover our full range of haircare essentials to ensure you’re using the best possible formulas designed specifically for looking after hair extensions.
Mistake #2: Washing Too Often (or Not Enough)
Washing frequency is another key area where many people go wrong when caring for hair extensions. Daily washing is far too harsh and is one of the leading causes of weakened bonds and dry, brittle extensions. Unlike natural hair, extensions do not receive nourishment from the scalp, meaning they are more vulnerable to damage from excessive washing and aggressive cleansing. Overwashing strips them of moisture, encourages tangling, and reduces their lifespan.
On the other hand, neglecting to wash your extensions enough can also cause problems. When left unwashed, sweat, product build-up, and environmental pollutants can accumulate on the scalp and throughout the hair, leading to itchiness, odour, and even bacterial or fungal growth near the bonds.
For optimal results, extensions should be washed one to two times per week using lukewarm water. Use gentle downward motions with your fingertips to cleanse the hair, being especially careful not to scrub at the roots or bonds. This allows you to maintain cleanliness without compromising the integrity of the attachment. Remember, knowing what not to do with hair extensions includes not just choosing the right products but also maintaining the right washing routine.
Mistake #3: Skipping Brushing or Brushing Incorrectly
Proper brushing is essential for looking after hair extensions, yet it’s often overlooked or done incorrectly. Skipping brushing altogether or using the wrong technique can result in tangling, matting, and bond damage. One of the most common hair extension mistakes is brushing too aggressively or starting at the root and pulling downward. This creates tension on the bonds and can cause them to loosen or snap. It can also stretch and break the hair strands, leading to split ends and uneven lengths.
Instead, brushing should be done gently and methodically. Use styling tools specifically designed for extensions, such as an oval brush, paddle brush or a vent brush with wider teeth. Hold the roots securely to prevent tugging and begin brushing at the ends, slowly working your way upward. Brushing in this manner reduces stress on the bonds and keeps the hair smooth and manageable. Make brushing part of your daily routine, doing it in the morning, before bed, and especially before washing to prevent tangles from becoming worse when wet. Proper brushing is a foundational part of caring for hair extensions that can’t be skipped if you want them to last.
Mistake #4: Sleeping with Wet Hair
A major example of what not to do with hair extensions is going to bed with wet or damp hair. Doing so is one of the fastest ways to damage your extensions, as it increases the risk of tangling, matting, and in severe cases, even mold growth around the bonds. When hair is wet, it is more fragile and prone to friction, especially if you move around during sleep. Tangled, matted hair not only looks messy but can also become difficult to brush out without causing further damage. In some cases, moisture trapped near the bonds can create the ideal environment for bacterial growth.
To avoid this, always make sure your extensions are completely dry before you go to bed. Start by applying a heat protectant spray, then gently blow-dry on a cool or medium setting, avoiding high heat near the bonds. Once dry, consider loosely braiding your hair or wrapping it in a silk scarf to minimise friction against your pillow. This small effort makes a big difference in preserving the life and look of your extensions.
Need to update your heat styling tools to ensure you achieve the best blow-dries and salon-quality styles you desire? Check out our AIRE Flow Hairdryer and the AIRE Multi Styler at SWAY!
Mistake #5: Applying Heat Without Protection
Heat styling is a popular way to achieve sleek, glamorous looks, but when used improperly, it can cause serious harm to your extensions. Applying heat without any form of protection is a major mistake. Hairdryers, curling wands, and straighteners can burn the fibres and damage the bonds, leading to dry, frizzy, and weakened hair. Many people forget that extensions do not repair themselves like natural hair can, meaning that once the damage is done, it’s irreversible.
To keep your extensions looking their best, always use a heat protection spray before styling. Our heat protectant at SWAY is specially designed for use on extensions and helps shield the hair from damage while maintaining a sleek and polished finish. Avoid placing direct heat on the bonds themselves, as this can weaken the adhesive or keratin used to secure them. By using proper protection and controlled heat, you can enjoy beautiful styles without sacrificing the integrity of your extensions.
Tips for Long-Lasting Hair Extensions
By avoiding these common hair extension mistakes and sticking to a consistent care routine, you can significantly extend the lifespan and beauty of your extensions. In addition to using the right products, washing correctly, brushing properly, and being mindful of heat and moisture, there are a few extra steps you can take for even better results. Sleeping on a silk pillowcase reduces friction and helps maintain smooth, untangled hair. If you’re planning to swim, wear a swim cap to protect your extensions from chlorine and saltwater, which can cause drying and discolouration. After swimming, always rinse your hair immediately and use a hydrating treatment to restore moisture.
Looking after hair extensions is about more than just daily maintenance, it’s about forming habits that protect your hair in all environments. For anyone who’s still unsure about what not to do with hair extensions or needs personalised advice, our expert team at SWAY is here to help. We’re passionate about supporting our customers through every stage of their hair journey and are happy to answer any questions you may have about caring for hair extensions the right way. Get in contact with us today for expert tips, product recommendations, and professional guidance to keep your extensions looking flawless and fabulous for longer.