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Slugging: The Ultimate Hair Moisturizing Hack

BY Veronica McCarthy

In the ever-evolving world of TikTok trends, one particular phenomenon has taken hold of the haircare community: slugging. Don’t worry, no snails are (directly) involved. 

Derived from the popular skincare trend of slugging, which is a well-known moisturizing technique that involves slathering your face with an occlusive product as the last step in your evening skincare routine in the hopes of deep moisturization. Hair slugging offers a similar approach to combating dryness and restoring hydration by applying a moisturizing product from the mid-length to the ends of the hair and leaving it in overnight, resulting in impressive transformations by your morning cup of coffee! 

Just as slugging in skincare involves sealing in moisture with occlusive products, slugging hair aims to retain hydration by using moisturizing products overnight. The technique primarily targets dry and damaged hair, providing a much-needed boost of moisture and preventing breakage. While various products can be used for slugging hair, popular choices include leave-in conditioners, hair masks, and serums.


To jump on the slugging hair trend, choose a leave-in conditioner, hair mask, or serum suitable for your hair type. After washing and towel-drying your hair, apply a generous amount of the moisturizer from the mid-length to the ends, thoroughly coating the strands. For added effectiveness, you can gently detangle your hair with a wide-toothed comb before applying the product.


Once the moisturizer is applied, gather your hair and cover it with a silk scarf or similar covering. This step helps create a barrier that locks in the moisture, preventing it from evaporating overnight. Alternatively, a clean sock can be used as a makeshift hair wrap – seriously, put a sock on that bun and call it a night! 

By allowing the moisturizing product to work its magic overnight, slugging hair enables a prolonged and intensive treatment. This method deeply penetrates the hair shaft, replenishing lost moisture and nutrients. The result is softer, silkier hair that is less prone to breakage and split ends. 


So when in doubt, slug it out!