Soo-jin Park
Soo-jin Park is a staff writer at Product Bible covering skincare and beauty. She sorts through cleansers, serums, moisturizers, treatments, and makeup to find the products that work well and deserve a place in an everyday routine.
- guides
- 8
- comparisons
- 2
- reviews
- 10
- latest update
Latest from Soo-jin
The Best Eyelash Growth Serums
The best lash serums, sorted by whether they use a prostaglandin analog: GrandeLASH-MD, RevitaLash, Babe Lash, a gentle pick, and when Latisse makes sense.
Everything by Soo-jin
Buying guide
The Best LED Face Masks
The best LED face masks for fine lines and breakouts, from the Shark CryoGlow to a $170 Nanoleaf, plus what red, blue and infrared light can do.
Buying guide
The Best Mineral Sunscreens for Sensitive Skin
The best mineral sunscreens for sensitive skin, from La Roche-Posay and EltaMD to a $14 CeraVe with no white cast, plus mineral vs. chemical explained.
Buying guide
The Best Vitamin C Serums
The best vitamin C serums, from a $28 C E Ferulic-style formula to gentle picks for sensitive and acne-prone skin, and how to tell when one has gone bad.
Buying guide
Does Sunscreen Expire?
Yes. Sunscreen lasts about three years, less in heat. How to read the date, spot a bad bottle, and how long face masks, retinol and vitamin C last.
Head to head
Retinol vs. Retinal vs. Tretinoin
Retinol, retinal, adapalene and tretinoin compared: how each converts in skin, how strong they are, what the studies show, and which one to start with.
Head to head
Vaseline vs. Aquaphor
Vaseline is 100% petroleum jelly; Aquaphor is 41% plus lanolin and glycerin. How they differ for dry skin, lips, eczema, wounds and tattoos.
Buying guide
The Best Retinol Products
Retinol is a powerhouse ingredient for smoothing wrinkles, and boosting radiance. We researched top serums and creams to find the best retinol products.
Review
La Roche-Posay Pigmentclar Eye Cream Review
La Roche-Posay Pigmentclar Eye Cream review: caffeine, phe-resorcinol, and a cooling metal applicator target both blue and brown dark circles.
Review
Sonage A-Eye Peptide Serum Review
Sonage A-Eye Peptide Serum review: a multi-peptide eye treatment with caffeine, niacinamide, and a cooling cryo rollerball for bags and puffiness.
Review
The Ordinary Caffeine Solution 5% + EGCG Review
The Ordinary Caffeine Solution 5% + EGCG review: budget eye serum with high-strength caffeine and green tea antioxidants for puffiness and dark circles.
Review
Youth To The People Peptides + Vitamin C Eye Concentrate Review
Youth To The People Peptides + Vitamin C Eye Concentrate review: peptides, vitamin C, and caffeine that brighten, firm, and depuff tired under-eyes.
Buying guide
The Best Facial Cleansers
Cleansing is essential for healthy skin. We tested dozens of face washes to uncover the top-performing facial cleansers that truly deliver results.
Review
The Ordinary Retinol 1% in Squalane Review
The Ordinary Retinol 1% in Squalane delivers powerful anti-aging results with a nourishing, low-irritation formula ideal for nighttime skincare routines.
Buying guide
The Best Caffeine Eye Creams
Reduce puffiness, dark circles, and signs of fatigue with the best caffeine eye creams. Here are our top picks for brighter, more refreshed under-eyes.
Review
CeraVe Foaming Facial Cleanser Review
CeraVe Foaming Facial Cleanser review: full ingredient list, ceramides and niacinamide, parabens, who it suits, acne use, and how it compares.
Review
EltaMD Skin Recovery Amino Acid Foaming Cleanser Review
EltaMD’s amino acid-based cleanser lifts away dirt and impurities while supporting your skin’s natural barrier, ideal for sensitive and compromised skin.
Review
CeraVe Daily Moisturizing Lotion Review
CeraVe’s Daily Moisturizing Lotion offers lightweight, long-lasting hydration with a dermatologist-developed formula ideal for sensitive and dry skin.
Review
Braun Silk-expert Pro 5 IPL Hair Removal Device Review
Braun Silk-expert Pro 5 review: how the IPL works, SensoAdapt, 400,000 flashes, skin and hair color limits, treatment schedule, results, and safety.
Review
Allbirds Women’s Wool Runner Mizzles Review
The Allbirds Women’s Wool Runner Mizzles offer cozy comfort, water-repellent protection, and sustainable materials for all-weather wear and everyday style.