PureWow: Rosemary Oil Has 1.3 Billion Views on #Hairtok. But Is It Really Effective? A Dermatologist Explains

PureWow: Rosemary Oil Has 1.3 Billion Views on #Hairtok. But Is It Really Effective? A Dermatologist Explains

When you increase blood flow to your scalp, this allows your hair to receive more nutrients and oxygen. Dr. Turner likens your scalp to a garden: If you don’t “water” it enough, nothing will grow. However, this isn’t specific to rosemary oil; there are many ways to increase circulation, including a good ol’ fashioned head massage.

PureWow: What Is Cactus Cream? Everything You Need to Know, According to a Dermatologist

PureWow: What Is Cactus Cream? Everything You Need to Know, According to a Dermatologist

“Prickly pear cactus is based in Central American traditional medicine,” Dr. Turner explains. “It can work and be beneficial [in topical applications, thanks to] its potent antioxidant benefits. It's really packed with polyphenols, flavonoids, carotenoids. And these are awesome because they're strong anti-inflammatory antioxidants.”

Allure: In Case You Missed It, Body Care Is Booming

Allure: In Case You Missed It, Body Care Is Booming

As tempting as it could be to use your favorite antioxidant serum on your hands and chest or your facial moisturizer on your arms and legs, there is a reason body care exists. And it’s not just because you would run out of that beloved potion in one use. “Facial skin has more density of sebaceous glands compared to the body so facial products tend to be formulated lighter [in texture],” says Dr. Ryan Turner, a board-certified NYC dermatologist and co-founder of TRNR Skin, adding that thicker creams and lotions are typically required to adequately moisturize it.

Glamour: 13 Best Retinol Body Lotions, According to Dermatologists

Glamour: 13 Best Retinol Body Lotions, According to Dermatologists

If you’re looking for something a bit more affordable, Ryan Turner, MD, a board-certified dermatologist and founder of TRNR Skin recommends this budget-friendly pick. “This lotion combines retinol with cocoa butter, squalane, and vitamin E—which I like because these ingredients are powerful moisturizers and will work to counteract the drying effects of retinol while enhancing skin’s luminosity,” he explains.

Fashionista: Why are we all so obsessed with lip oils right now?

Fashionista: Why are we all so obsessed with lip oils right now?

Board-certified dermatologist Dr. Ryan Turner confirms that lip oil may offer treatment benefits, too. After all, "lips are unique from the rest of our facial skin in that they do not have any sebaceous (oil) glands and only feature a few cellular layers, whereas the rest of our skin has many more layers and is thicker," he explains. "The thinness of lip skin makes it very delicate and this tissue may need outside support to stay moisturized."

CNN Underscored: What is squalane? Experts explain the skin benefits of the super emollient

CNN Underscored: What is squalane? Experts explain the skin benefits of the super emollient

“Squalane is derived from squalene — the latter ingredient gets hydrogenated, meaning squalene was converted from an unsaturated to a saturated oil by the addition of hydrogens. Squalane is much more stable and therefore the better choice for use in skin care.”

Popsugar: Can Brazil Nuts Really Help With Acne Like People on TikTok Say?

Popsugar: Can Brazil Nuts Really Help With Acne Like People on TikTok Say?

"Brazil nuts feature omega-3 and omega-6 fatty acids, which support the skin barrier by boosting its lipid levels," Dr. Turner says. This helps the skin better retain water and provides enhanced protection against environmental aggressors. Additionally, this helps promote skin elasticity. While walnuts do have higher concentrations of fatty acids, Brazil nuts are notable for their high levels of selenium.

PureWow: The 13 Best Winter Moisturizers to Hydrate Thirsty Skin

PureWow: The 13 Best Winter Moisturizers to Hydrate Thirsty Skin

BEST FOR COMBINATION SKIN

TRNR Skin Prebiotic Lipid Nourishing Moisturizer

A dark horse in our winter moisturizer testing, this product turned out to be a star. It’s chock-full of the best moisture-boosting ingredients (squalane, ceramides, to name a few) but is also safe for acne-prone skin. One of our testers remarked, “My skin is unpredictable and, at first, I was nervous because it’s heavier than other moisturizers I typically use,” she said. “But after trying it, I actually think this was exactly what my skin needed. It was so hydrating and left my face and hands supple without feeling greasy. During the two weeks I used the product, I had the best skin of my life—no breakouts and my skin was totally calm and less inflamed.”

Real Simple: What Does Toner Do for Your Skin—and Do You Really Need It?

Real Simple: What Does Toner Do for Your Skin—and Do You Really Need It?

“Over the years, toners have evolved by incorporating additional hydrating and active ingredients,” says Ryan Turner, MD, a board-certified dermatologist in New York City  and the co-founder of TRNR Skin. “Unlike the past—when astringent toners were the norm for balancing the pH levels of oily or dry skin—currently toners offer a more diversified range of options.”