Like many recent skincare trends (and product obsessions), beauty essences got their start in Korea and have been a big buzzword in the beauty world for years now. But what exactly is an essence? Technically clear liquids that act as lightweight serums, essences are an often forgotten but incredibly beneficial add-on step in a traditional skincare regimen. They also serve different purposes, depending on their ingredients.

According to New York City-based dermatologist Ellen Marmur, 鈥淓ssences have traditionally been thinner than serums and more popular in Asia where 10-20 step skincare routines are common. And since they contain concentrated active ingredients, they have amazing hydration effects on the skin, especially in drier months.鈥 If there鈥檚 anything we all need after these never-ending winter months, it鈥檚 more moisture. And thanks to the hyaluronic acid and glycerin found in many essences, that鈥檚 exactly what they deliver.

Applying an essence usually happens around the toner/treatment time 鈥 after you鈥檝e cleansed your skin 鈥 in order to add another layer of hydration. Your final product (typically moisturizer) seals in the essence so you double up on the penetration benefits. Basically, they鈥檙e the secret powerhouse product you never knew you were missing but clearly need in your life. Get ready to get your glow on this spring with these five must-buys.

1. Dior Hydra Life Deep Hydration Sorbet Water Essence ($73): Dior鈥檚 three-in-one moisturizes, refines, and tones in a single sweep while giving you a gentle exfoliation peel from the natural fruit acids found in the milky blue formula. And let鈥檚 be real: The bottle will look pretty AF on your vanity.

2. Laneige Water Bank Essence ($36): This silky essence is made from hydro ionized mineral water, which is a fancy way of saying it packs a powerful beauty punch via zinc, magnesium, manganese, potassium, calcium, and sodium. It鈥檚 also the perfect under-three-fluid-ounces size to take on a plane with you. Pro tip: Press your palms into your face after you spray so the product absorbs into the skin better.

3. SK-II Facial Treatment Essence ($179): SK-II鈥檚 signature product is a best-seller (for over 35 years now!) for its cell renewal powers. Its main ingredient, Pitera, contains over 50 micronutrients like vitamins, amino acids, minerals, and organic acids to make dark spots less visible, reduce the look of unwanted wrinkles, improve your skin鈥檚 texture and firmness, and clean your whole apartment for you. Okay, maybe not the last one, but it *almost* does everything you could possibly wish for.

4. Shiseido Eudermine聽Revitalizing Essence ($57): Eudermine translates to 鈥済ood skin鈥 and is one of Shiseido鈥檚 oldest (and most popular) products, dating back to its launch in 1897. After cleansing, apply it in sweeping motions and wait for the softness to set in, regardless of what type of climate you鈥檙e in or what time of year it is. Another bonus? It smells like rain-washed peonies.

5. Japanfusion Hydra Prep Lotion Step 1 ($35): Before you reach for your go-to moisturizer in the a.m., make sure you鈥檙e setting it up for success with a power-magnet prep product. Japanfusion鈥檚 high-tech tonic has antioxidant Jabara citrus and grape extracts (along with de-stressing Pombo yeast) to soothe, balance, and hydrate, as well as protect your delicate visage from pollution and other environmental factors.

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