This Biotin-Infused Scalp Serum Encourages Less Hair Fall-Out, According to Dedicated Users

“I didn’t know damage could be repaired like this.”

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Spoiled Child Hair Serum
Photo: Spoiled Child/ InStyle

Spoiled Child, a newly launched line of age-defying hair and skin serums, has entered the chat. If you reside in a major city, you may have noticed the brand's advertisements splashed across the streets with taglines like, "Getting Old is Getting Old," alongside sleek, out-of-this-world packaging. You can shop the site based on personal concern — split ends, frizz, clogged pores, acne, etc — but those looking to rectify hair thinning and loss should beeline straight for the A22 Biotin Boost Hair + Scalp Serum.

The hair growth serum has over 100 natural vitamins, minerals, amino acids, and essential oils that work tirelessly to prevent signs of thinning and fall-out across the scalp. With each application, the anti-loss formulation dives deep into the skin to promote healthier growth overtime; niacinamide, caffeine, and biotin stimulate blood flow to the follicles, while strengthening weak strands. Not only is it fact-acting — reviewers report less shedding and thicker locks over the course of three weeks, but the residue-free serum is dermatologist-tested, paraben-free, silicone and sulfate-free, and safe for sensitive scalps.

Spoiled Child’s Biotin Serum

Shop now: $68;

As is common with hair growth formulations, the biotin-infused serum was put to the test through brand-run clinical studies. It was found that 97 percent of users saw "visible improvement including thicker, stronger, fuller, shiner, and less damaged hair" within a month's time. Four out of five subjects saw improved hair growth within 10 weeks, while three out of four subjects noticed reduced hair loss within the same time period, according to the brand.

Spoiled Child may be fresh to the scene, but the A22 Biotin Boost Hair + Scalp Serum has already attracted a fair amount of praise from shoppers: Works "like a miracle" on smoothing and conditioning the hair, "leaves hair soft and thicker after a week," and "less hair in the shower" are only a handful of comments.

One person wrote that they "didn't know damage could be repaired like this," describing their curls as feeling "so youthful" again. "I have only been using this treatment for less than a week, but my scalp is no longer itching and dry," shared a second reviewer.

"I don't know why this product makes my hair so much easier to dry and style. It helps create the smooth look that I try endlessly for. I wish I had discovered this years ago," said a third fan, while another called it the "best product they've used in years," citing an immediate difference in the "look and feel" of their hair.

For those looking to experience more of what the brand has to offer, the website's SpoiledBrain feature relies on AI to match the right products to each shopper through "millions of data points from your personal profile." From there, you can test out the full-size curated products for free over 14 days — just simply pay for shipping.

In the meantime, add the biotin-infused hair growth serum from Spoiled Child into your regimen for $68 per bottle. Once you've begun to see results, return for the monthly delivery subscription to get 20 percent off and free shipping on future orders.

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