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kat rudu


What Is Slugging, and Why Are Skincare Experts Obsessed With It on TikTok?

May 7, 2021

I don’t know about you, but I’ve used some of the most critically acclaimed, buzzy moisturizers on the block, and after an hour into wear, my skin still feels (and looks) disturbingly dry and dull. If you feel me on this, here’s why you should try slugging.

Slugging (presumably named after a consistency that resembles a slug’s bodily secretion – gross, I know) is a skincare practice that’s grown in popularity over the last six months, namely on TikTok. Skincare guru Charlotte Parlermino really brought the emerging trend to the forefront, and I’ve been giving it a go myself as of late.


😇 ##skincare ##tiktokbeauty ##tiktokskincare ##winterskincare

♬ original sound – Charlotte Palermino

The practice requires the application of a pea-sized occlusive (most commonly petroleum jelly/Vaseline or Aquaphor) as the final step in your skincare routine. Doing so locks in the aforementioned moisturizer’s hydrating properties (along with a humectant like a hyaluronic acid serum, for example), which therefore gives you the glow you’ve failed to achieve with your products alone.

The occlusive creates a barrier between your skin and the environment, preventing any transepidermal water loss caused naturally as the day goes by. While the practice is most commonly applied to the face, the same goes for why you should try slugging on your whole body!

dahvi applies the slugging petroleum jelly technique to her face

But, it’s important to note that locking everything into your skin applies to natural oils, too, so if you have oily or acne-prone skin, this is not a recommended practice, as it can clog pores.

“It’s great for a short fix like right before a big event for example, but don’t do it all the time, especially if you have damaged skin,” celebrity esthetician and founder of her namesake skincare line, Kát Rudu, tells skyelyfe. “I recommend using it with Vitamin E to provide extra moisture.” 

As Rudu—whose products focus on skin barrier repair—points out, the outcome of slugging is only temporary, and the practice doesn’t actually aid in skincare repair.

“Once you stop, your face will turn back to where it was after a short period of time,” the expert explains. “It won’t be a longterm mend, and you’ll need to fix the outer skin barrier.”

Speaking of the skin barrier, HERE‘s why you should incorporate kakadu plum into your routine to help with skincare repair!


What Is Your Skin Barrier and How Do You Protect It? We Asked an Expert

April 16, 2021

Whether you’ve taken a dive through Charlotte Parlermino’s TikTok or you’ve been keeping up with the latest skincare launches, you’ve probably noticed that how to protect your skin barrier is presently the industry’s prime concern.

Last month, in fact, Codex Beauty had a huge digital launch to promote their Antü Collection. Hosted by Codex Beauty Labs CEO Barbara Paldus and environmental advocate Stephanie Shepherd, the plant-based biotech beauty brand introduced its Antü Brightening Night Cream and Antü Brightening Moisturizer—both of which are aimed at protecting the skin barrier against inflammation and aiding in UV recovery.

Kát Rudu is an example of a skincare brand that’s always had barrier protection in mind. Its esthetician-backed, medically advanced formulas include glycolic acid, sugar cane, B5, cucumber water and other ingredients that help the skin retain moisture while minimizing pores, irritation and inflammation. All products have peptides that relieve inflammation, nourish the skin and protect the barrier.

To break down even more information about how to protect your skin barrier (as well as how to repair it), we reached out to Kát, herself. The celebrity esthetician, who boasts her namesake Goop-approved skincare studio in Venice, answers all our questions below.

brunette girl places hands on chin face
(via Unsplash)

This Is Your Skin Barrier

The skin is broken down into three major layers: the outermost layer being the epidermis (which can be broken down further into five layers), the second layer, the dermis and the innermost layer, the hypodermis. The skin barrier is crucial because it protects the deeper layers. Once the barrier is compromised, you’re no longer protected from excessive transepidermal water loss, or TEWL, or the penetration of compounds entering the body. 

Apart from damaging the skin barrier on the outermost level, damage can happen at the lower levels through invasive procedures such as injections, botox or surgery. The skin barrier has always been a factor, but now with medical advancements, skin experts are trying to go deeper into the aging cycle. 

Why Skin Barrier Discussion Is Currently on the Rise

The skin barrier is being referenced now more than ever because the widespread consumer is looking more into the medical definitions of skincare. There has been a shift into conscious shopping and the need to understand the ingredients that are being put into products before purchasing. 

How to Protect Your Skin Barrier

Ways to protect the skin barrier are through the use of peptides, niacinamide, retinol, B12 and B5 to increase the amount of skin cells. It’s also crucial to increase your intake of water to add hydration on a deeper level. Additionally, getting enough sleep is imperative when it comes to allowing your skin cells to repair themselves at night.

Signs Your Skin Barrier Is Damaged

The skin barrier is important because without this protection, the skin’s pH is left unbalanced, and hydration retention is disrupted, resulting in dry, irritated skin, an increase in breakouts and loss of elasticity. Barrier damage can be a result of smoking, over-washing, the use of harsh ingredients, going into the sun without sunscreen and high stress levels.

How to Repair Your Skin Barrier

You can repair the skin barrier by layering serums and getting treatments that focus on infusing the skin with hydration and vitamins that aid in the repair of the skin. You can also use calming ingredients such as aloe vera, chamomile, pure hyaluronic acid and vitamin E. 

For more beauty guidance, HERE‘s our review of COOLA sun care’s first-ever skincare line.