Unlock Legendary Hair Power: 13 Masks That Crush Dryness and Ignite Growth Like a Champion!
Ever wonder if the secret to luscious, thriving hair might be hiding in a humble bottle of castor oil? I mean, there’s a bit of mystery wrapped up in this sticky elixir—sure, the research isn’t fully nailed down yet, but hey, the science hints that castor oil could actually help boost hair growth. Toss in the nourishing powers of shea butter, the zing of peppermint, and the scalp-refreshing magic of apple cider vinegar, and you’ve got yourself a powerhouse masque that’s winning hearts (and strands) everywhere. What really grabs me is the way ricinoleic acid in castor oil seems to activate receptors that could kickstart hair growth chemicals—fascinating stuff! So, if you’ve ever thought, “Can one product really rebuild damaged, thick 4B or 4C hair after protective styling?” — this might just be your new best friend. Curious to see why it’s getting such rave reviews and instant slip on those curls? Dive in and let’s unpack the science and the sensations behind SheaMoisture’s Strengthen and Restore masque. LEARN MORE

King says that while research is still needed to support the effects of castor oil on hair growth, science indicates that the ingredient may be beneficial for the process. Along with hydrating shea butter, stimulating peppermint, and scalp-clearing apple cider vinegar, castor oil plays a key role in SheaMoisture’s Strengthen and Restore treatment masque, which is one reason it’s a hair care favorite.
“The thinking is that the ricinoleic acid in castor oil activates a prostanoid receptor and has been shown to increase synthesis of prostaglandin E2 in some tissues in vitro, and we know that prostaglandin analogs can be helpful for hair growth, so this could be a possible mechanism of action,” explains King.
- Key ingredients: Castor oil, shea butter, peppermint, apple cider vinegar
- Usage: After shampooing, as needed
- Hair types: Thick, 4B, 4C
Customer review: “I had just taken out a protective style after almost two months, and I thought I was going to lose most of the growth that I had gained. However, after washing and conditioning with the JBCO shampoo and conditioner, I followed up with this. Let me tell you, when this product hit my strands, there was instant slip (I have 4b/c hair). My strands immediately felt stronger.” —kmcle27




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