‘Tis the season for gifting, and whether that means treating yourself or others, we have just the thing for you. Winter is all about hydration and settling into a cozy self-care routine, and our winter 2025 TestTube box is chock full of products that are perfect for this time of year. From diamond-packed skin care to K-beauty jelly lip treatments, this is one of our best boxes yet.
The Products Inside the Winter 2025 TestTube Box
A Look Inside Our Winter 2025 TestTube Box
Kaplan MD Diamond Contour Collagen Boosting Hydration Creme ($110)
What It Is: An ultra-hydrating moisturizer with anti-aging benefits. Dr. Kaplan’s Diamond Contour Technology optimizes skin’s natural collagen levels to support a younger-looking complexion. It’s clinically proven to improve skin firmness, elasticity, and hydration.
How to Use: Apply a generous layer to cleansed skin and massage into the skin using a gentle upward motion. It can be used in the morning and evening.
Editor Feedback: “This richly textured treatment promises more than just hydration—it aims to firm, plump and brighten in one move." — Liz Ritter, editorial director
Key Ingredients: Crushed diamonds and 22 plant extracts and Matrixyl Synthe’6 Peptide appear in this moisturizer alongside moisturizing factors fill out this formula, including safflower oleosomes, jojoba esters, olive squalane, seaweed and hyaluronic acid.
Expert Insight: “I believe youthful, beautiful skin is the way it reflects light. That’s why I created my Diamond Contour Technology. It gives skin everything it needs to be its most radiant.” — Stuart Kaplan, dermatologist, creator and founder
Wander Beauty Double Date Eyeshadow Duo ($26)
What It Is: This perfectly curated duo provides a multitude of looks with effortless application. The cream color primes and adds a wash of color to lids, as the satin-shimmer powder adds dimension. Applies beautifully with your fingers or with an eyeshadow brush.
How To Use: Tap and blend with fingertips or brush onto eyelids. Build as needed.
Editor Feedback: "True to Wander Beauty's DNA, this is the perfect on-the-go eyeshadow with a no-crease cream and a powder to use on their own or combine, and you can use your fingers to apply it!" —Britt Fallon, director of beauty
Key Ingredients: Via its antioxidant properties, vitamin E helps protect against free radical–inducing damage.
Expert insight: "Start with the cream shade as your base- it not only adds color but also works like a built-in primer to grip the satin shimmer shadow. Use your fingertips for a soft, diffused finish that looks polished in seconds. The cream gives that smooth skin-like finish and the shimmer adds just the right amount of light-catching glow." —Ainslee Marsden, MUA and product developer
Exuviance Pore Refining and Clarifying Water Gel ($55)
What It Is: A lightweight mattifying moisturizer for oily, acne-prone skin that helps refine pores and post blemish marks for a smoother, clearer complexion.
How to Use: Apply to the face twice daily. If used during the day, follow with sunscreen.
Editor Feedback: “As someone with acne-prone skin, it’s make or break to find a moisturizer that won’t break me out. This formula from Exuviance never upsets my skin, and I can feel good knowing it’s also helping to fade post-acne dark spots.” — Allie Hogan, senior beauty editor
Key Ingredients: A mix of AHAs and PHAs exfoliate skin for a more even tone and texture. Salicylic acid clarifies and minimizes the appearance of pores. A blend of botanicals helps address oiliness and reduce sebum.
Expert Insight: “The Pore Refining and Clarifying Water Gel contains a blend of oil loving AHA, Mandelic Acid, and water loving PHA, Gluconolactone. This combination helps clean your pores while gently exfoliating without over-drying your skin, which is the last
Nutrafol Full of Strength Shampoo and Conditioner Set ($26)
What It Is: This award-winning shampoo and lightweight, moisturizing conditioner is physician-formulated for thinning hair. This duo deeply cleanses and defends hair from damage for visibly stronger, more voluminous hair in two weeks.
How To Use: Apply a dollop of shampoo to fingertips. Massage into the scalp and rinse. Repeat as necessary. After shampooing, apply a dollop of conditioner from mid-shaft to ends. Leave on for at least two minutes and rinse.
Editor Feedback: “What’s not to love? The shampoo and conditioner set that strengthens and smooths every strand at home does it on the road too. If you’re concerned about shedding or thinning hair, this is the set you need wherever you are." —Leiana Foye, managing editor
Key Ingredients: Formulated without parabens, phthalates, silicones, sulfates, and synthetic fragrance.
NassifMD Hydro-Screen Serum ($50)
What It Is: This best-selling serum tackles visible signs of aging while supporting all around healthier skin. It boosts hydration and bounce, brightens tone and smooths texture, turning the clock back on your complexion.
How to Use: Apply as a traditional serum after cleansing and toning, prior to moisturizer, mix into your moisturizer or apply as the last step before applying makeup and sunscreen. Allow it to try down to a matte finish before applying next steps. Use one pump morning and night.
Editor Feedback: "This silky serum is such a great hydrator, and I would highly recommend it for aging skin. Apply it after cleansing, or if you're in a rush like I often am, just mix it into your moisturizer for one less step." —Britt Fallon, director of beauty
Key Ingredients: Ceramide, retinol and hyaluronic filling spheres headline the list as classic anti-aging ingredients. The formula also features potent antioxidants, syntenol and lipochroman.
Expert Insight: “As a surgeon, I know the scalpel’s limitations. I created this quick-acting, advanced hybrid formula for patients to use before surgery for better skin quality
KNEMO Liplock Jelly Serum ($18)
What It Is: Meet the next-generation K-Beauty lip treatment that blends skin-care science with a glossy finish. Infused with rose-derived PDRN—a vegan alternative to salmon DNA traditionally used in regenerative medicine—the serum helps stimulate cell renewal and strengthen the lip barrier over time. Combined with peptides, carrot collagen and shea butter, the formula delivers deep hydration, visible plumping and long-lasting comfort. With its cushiony jelly texture and subtle tint, LipLock offers both instant shine and lasting repair, making it a lip serum that doubles as skin care.
How to Use: Apply directly to bare lips for an instant plumping effect, cushiony shine and comfortable moisture. The jelly texture smooths and protects, while the tint delivers a fresh, effortless look that makes it a staple. Reapply as needed to maintain hydration and color throughout the day.
Editor Feedback: “I’m obsessed with the texture of this jelly lip serum. It’s the perfect hydrating formula to have on hand heading into winter.” — Allie Hogan, senior beauty editor
Key Ingredients: Pillow peptides provide deep hydration for lasting softness, as vegan-friendly Rose PDRN supports cellular renewal and long-term repair.
Expert Insight: “The KNEMO LipLock Jelly Serum provides 48-hour hydration in a nonsticky formula, infused with Asian gummy-inspired scents and finished with an ultra-glossy shine!” — Jamie Lee, vice president
Epionce Enriched Firming Mask ($42)
What It Is: A hydrating mask that helps improve the elasticity and firmness of the skin. Botanicals and emollients also help calm redness and irritation.
How to Use: Apply to clean skin and leave on for five to 10 minutes. Rinse off or leave on for additional hydration. For best results, use weekly.
Editor Feedback: "When I don’t have much time but my skin needs some love, I reach for this mask. It’s firming, hydrating and soothing, and works in just minutes."— Danielle Fontana Dooley, director of editorial partnerships
Key Ingredients: A mix of meadowfoam extract, shea butter, orange fruit extract, willowbark extract, safflower seed oil, date fruit extract, avocado oil extract and lavender extract make up the formula behind this firming mask.
Expert Insight: “The Enriched Firming Mask is a must have in clinic due to its ability to rapidly calm and soothe the skin after a treatment procedure. At home, it adds a boost of hydration and glow to any regimen.” — Carl Thornfeldt, MD, dermatologist and creator
Made by Dentists Sensitive + Whitening Professional Toothpaste ($7)
What It Is: This professionally formulated toothpaste blends whitening agents with desensitizing ingredients, ensuring effective whitening without causing sensitivity.
How To Use: Apply a pea-sized amount to a soft-bristled toothbrush, brush onto teeth in circular motions, focusing on all surfaces, and rinse off after 2 minutes. Use daily for effective teeth cleaning and whitening.
Editor Feedback: “I no longer have to suffer through tooth sensitivity to whiten my teeth, protect my gums, and prevent cavities—this toothpaste checks all the boxes without triggering pain." —Leiana Foye, managing editor
Key Ingredients: Utilizes potassium nitrate to block the tiny tubules in your dentine that cause sensitivity, preventing nerve pain from hot or cold foods. Blending hydrogen peroxide and sodium fluoride to whiten teeth, while preventing cavities.
Expert Insight: "As dentists and co-founders of Made By Dentists, we developed this sensitive + whitening paste to deliver visible results while protecting enamel. With potassium nitrate, fluoride, and hydrogen peroxide, it effectively removes stains, protects against sensitivity, and achieves a whiter, healthier smile." —Dr. Lisa Creaven, co-founder
Style Edit Root Concealer Touch Up Spray ($34)
What It Is: A salon-quality root touch-up spray that instantly covers gray roots and regrowth with a natural, seamless finish. Formulated for all hair types and shades, this lightweight spray delivers full coverage that stays put until your next shampoo.
How to Use: Shake well. Hold the can 6–8 inches away from dry hair and spray directly onto roots in short bursts. Allow to dry for a few seconds before styling. Washes out easily with shampoo.
Editor Feedback: "I love this for a fast, natural-looking root refresh. It gives an instant color boost and seamlessly covers those little greys that start to peek through between appointments.” — Tatiana Bido, director of aesthetic content
Key Ingredient: Adaptive pigments smoothly adhere to the hair fiber for a natural look.
Expert Insight: “Our Root Concealer Spray was created to give women effortless confidence between salon visits. It’s an instant fix that keeps your color looking fresh and flawless—without commitment.” — Elliana Olivo, marketing coordinator
BioRepublic Lip Mask ($7)
What It Is: Nourish your lips with this biocellulose lip mask treatment. Easy-to-use and dripping in serum, your lips will thank you for using this mask.
How to Use: Remove the outer layers then apply the middle layer gel patch to the lips, smoothing the mask on for a seamless fit. Wear the mask for 15 to 20 minutes, or until the serum is fully absorbed. Remove the mask and massage any remaining serum into your skin.
Editor Feedback: “The BioRepublic Lip Mask is my quiet luxury moment. In ten minutes my lips go from tired to perfectly smooth. It’s the kind of product that doesn’t just hydrate, it restores that natural softness you forget you ever had.” — Sarah Eggenberger, senior editor-at-large
Key Ingredients: Hyaluronic acid is the star of the lip mask, helping to hydrate lips.
Expert Insight: “Our Lip Mask is formulated to deeply hydrate and plump lips, targeting natural plump, chapped lips, and lip lines. It provides visible results and keeps lips hydrated for days, not hours. It’s one of BioRepublic’s best-sellers and has been a customer favorite for over 10 years." — Justin Hong, founder
