Reasons why everyone's obsessed with this mask
Glass skin hydration
Our ultra-low molecular weight collagen goes IN your skin, not on it, delivering 40g of deep-penetrating collagen for that viral glass skin look.
DNA-level cellular repair
Advanced formulas like our Salmon PDRN repair the skin barrier and minimize pores at the cellular level for results that actually last 7 days.
Just 3 simple steps
Lock. Seal. Transform. Our overnight masks seal in moisture and active ingredients, replacing complex routines with one dermatologist-approved ritual.
Clinically proven results
97% of users report firmer, plumper skin and a visible softening of fine lines around the mouth and jaw.
Safe for sensitive skin
We use only clean, effective ingredients that deliver professional results. Safe for sensitive skin, dermatologist tested, and cruelty-free.
Real women, real mornings
Unfiltered results from the Quasi community.
What's in the Labor Day bundle
Two Korean treatment masks that do different jobs, plus the guide that explains why they work.
Collagen Glow Up Mask 2.0
$60 $30 each
The overnight collagen mask. 40g of low molecular collagen and peptides sink in while you sleep, so you wake up plumper, firmer and lit from within.
- Two-piece fit for jaw and forehead
- Glass skin in about two hours
- Use once a week, overnight
Salmon PDRN Collagen Mask
$80 Free, $40 value
The repair mask. Salmon PDRN is the ingredient behind Korea high-end clinic facials. Same molecule, no needles. It goes on pink and comes off clear, which is how you know your skin took it in.
- 93% saw more even tone in 4 weeks
- Firms, calms redness, refines pores
- Wear 1–2 hours, until it turns clear
How Koreans Age in Reverse
$20 Free, instant download
The guide behind the routine: what Seoul estheticians actually do, which steps are worth your time, and how to build a week around two masks instead of ten products.
- What to layer, and what to skip
- Pair it with your mask for faster results
- Emailed the moment you order
Alternate them weekly: collagen to plump, PDRN to repair. That is the whole routine.
“One of the most effective non-invasive treatments I recommend to patients who want youthful, glowing skin in their 40s+”
Labor Day bundle
Collagen Glow Up Mask 2.0
The two-piece overnight collagen mask, with 3x more ultra-absorbable collagen than an ordinary mask. Wake up plumper, smoother and lit from within.
Labor Day Discount Auto-Applied ✅
WARNING: Low Stock Notice 🔴 This product sold out 13 times last year. We encourage you to take advantage of the limited sale and stock up now before we run out again.
Guarantee
Customers
Worldwide
Product Details
All skin types, including sensitive, dull, tired, or aging skin. Safe for postpartum and acne-prone users.
Instantly refreshing and weightless - it grips like second skin, delivering the calming touch of a high-end facial at home.
Gradually melts into the skin, absorbing deeply without leaving behind any stickiness or residue.
No parabens, sulfates, fragrances, alcohol, or harsh ingredients. Just clean, skin-loving care.
How To Use?
Cleanse your face and apply toner or serum to boost absorption.
Remove both protective films and place each piece onto your face - upper and lower.
Leave on for 1–2 hours, or until fully transparent - perfect time to relax or get your beauty sleep.
Gently peel off the mask, pat in the remaining essence, and use weekly for lasting glow and results.
Ingredients
Our key ingredients:
Delivers deeper absorption and firmer, plumper skin from within.
Brightens dull skin, reduces pore size and balances oil production.
Draws in moisture at multiple layers, keeping skin hydrated and supple.
Customer Results
Quasi is proven by real results—here’s what our users reported:
noticed visibly lifted, firmer skin and smaller pores
reported smoother texture and a natural, glassy glow
felt their skin looked more rested and refreshed — even without sleep
agreed the mask felt gentle with no irritation
Shipping & Delivery
Orders are processed within 24 hours (excluding weekends and holidays).
Estimated Delivery Times:
- USA: 1–5 business days
- UK & EU: 4–9 business days
- Canada, Australia, & International: 7–14 business days
Tracking Included:
You’ll receive a tracking link via email as soon as your order ships.
“But will it work for my skin?”
I've tried everything and nothing works.
Most creams sit on the surface. Quasi's low molecular collagen and peptides are sized to absorb deeply. That's why women who've tried everything notice a difference in hours, not months.
My skin is too sensitive for active ingredients.
The formula is dermatologically tested and free from parabens, sulfates, alcohol and artificial fragrance. In the clinical study, 100% of women said it felt gentle with no irritation.
I don't have time for a complicated routine.
Neither do we. One mask, once a week, replaces your serum stack for the night. Put it on and get on with your evening, or just sleep in it.
What if it doesn't work for me?
Then it's free. Every order is covered by a 30-day, no-questions-asked money-back guarantee, and you keep the free PDRN masks and the ebook either way.
Here's how we're different
You have a lot of choices in the mask aisle. Here's what most of them leave out.
Frequently Asked Questions
How soon will I see results?
Most users notice a visible difference within 2 hours - smoother texture, radiant glow, and a firmer feel. One mask = up to 7 days of glass-skin confidence.
Is it safe for sensitive skin?
Yes. Our formula is dermatologically tested and free from parabens, sulfates, alcohol, and artificial fragrance. It’s gentle, soothing, and designed with sensitive skin in mind.
How often should I use the mask?
We recommend 1–2 times per week for lasting results. For special events or photo days, feel free to use the night before for maximum glow.
What makes this different from other sheet masks?
Everything. We use 3x more collagen, a two-piece custom-fit design, and a low-molecular blend of peptides and hydration complexes for visible results — fast. No stickiness, no gimmicks. Just real glow.
Can I wear makeup after using it?
Absolutely — though most users say they skip it. The mask leaves your skin smooth and plump, creating the perfect canvas (if you want it).
Is it vegan and cruelty-free?
Yes. No animal testing. No animal-derived ingredients. 100% cruelty-free and vegan-friendly.
What if it doesn’t work for me?
We get it — skincare is personal. If you don’t feel the results, send it back. Our 30-Day Glass Skin Guarantee has you covered with a full refund.
The sale ends Monday. Your skin doesn't wait.
Up to 40% off, free PDRN masks and the ebook, and 30 days to change your mind.
Claim my Labor Day bundle 30-day guarantee · Ships in 24h