REFILL

ST.SAJ Glass Mask with cream swatch on grey background.

Founder Emmylou in blue bikini by pool holding ST.SAJ Glass Mask.

Close-up of Glass Mask gel texture, key ingredients labelled: Ceramide Complex CLR™, Madecassoside, MultiMoist™, Beta Vulgaris Extract.

Founder Emmylou holding ST.SAJ Glass Mask and refill pouch side by side.

Founder Emmylou touching her cheek, holding Glass Mask, text: why we love it, glass skin effect, intense hydration, pamper your skin overnight, soothes redness & inflammation.

Founder Emmylou close-up holding ST.SAJ Glass Mask, quote: flood your skin with intense hydration for the coveted glass skin effect.

GLASS MASK REFILL 30ml

Name: GLASS MASK REFILL 30ml
Brand: ST.SAJ
SKU: SJ3213
Price: 44.95 AUD
Availability: InStock

$44.95~~$44.95~~ Save 0%

5.0

Rated 5.0 out of 5 stars

Soothing

Hydrating

Protecting

Detoxifying

Free AU Shipping On Orders Over $150

MultiMoist CLR™ puts intense hydration at your fingertips.
Madecassoside soothes redness and inflammation.
Ceramide Complex CLR™ enhances barrier function to produce the highly coveted glass effect.

Glass skin is just a moisture mask away. Whether you drench your complexion for 20-minutes or overnight, our MultiMoist CLR™ glass mask puts intense hydration at your fingertips. The key to locking in moisture is our powerful blend of actives that form a protective barrier against impurities. Madecassoside is our secret weapon in the fight against redness and inflammation. Hyaluronic acid and a potent humectant work overtime to bind moisture to your skin, while Ceramide Complex CLR™ enhances barrier function to produce the highly coveted glass effect. Indulge in this radiant ritual once or twice a week and bask in the undeniable glow that comes from plump, hydrated skin.

30ml / 1fl oz / Refill.

Unscrew the lid of your empty Glass Mask
Use the two tabs to pop out the empty pod and discard
Insert your new refill pod and take off the lid.
Screw the lid back on and you're set!
Apply as a mask to freshly cleansed skin once a week (for min. 20mins or leave overnight)
Rinse when finished and continue with your fave essence, serums and moisturiser.

Aqua, Glycerin, Pentylene Glycol, Propanediol, Polyacrylate Crosspolymer-6, Fructooligosaccharides, Beta Vulgaris (Beet) Root Extract, Phospholipids, Sphingolipids, Sclerotium Gum, Potassium Lactate, Salicylic Acid, Madecassoside, Parfum (Natural Fragrance), Hydrolyzed Hyaluronic Acid, Citrus Aurantium Peel Oil, Pelargonium Graveolens Flower Oil, Citrus Aurantium Bergamia Peel Oil, Benzyl Alcohol, Sorbic Acid, Anisic Acid, Sodium Citrate, Lactic Acid, D'Limonene, Linalool, Geraniol, Citronellol, Citral, Phenoxyethanol, Sodium Citrate.

No artificial colours, parabens, silicones, phthalates, chemical UV filters.

Complete the Routine

ST.SAJ Peptide Power Essence hydrating toner with Black Rice, Baobab Extract and Hyaluronic Acid product shot

TONE WITH

$49.95

PEPTIDE POWER ESSENCE

Quick Buy

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BUILD WITH

$129.00 ~~$164.85~~

CLARITY TRIO

How to Use

Unscrew the lid of your empty Glass Mask
Use the two tabs to pop out the empty pod and discard
Insert your new refill pod and take off the lid.
Screw the lid back on and you're set!
Apply as a mask to freshly cleansed skin once a week (for min. 20mins or leave overnight)
Rinse when finished and continue with your fave essence, serums and moisturiser.

Screen_Shot_2024-09-17_at_10.45.39_am.png

5.0

Rated 5.0 out of 5 stars

Based on 8 reviews

Total 5 star reviews: 8 Total 4 star reviews: 0 Total 3 star reviews: 0 Total 2 star reviews: 0 Total 1 star reviews: 0

100%would recommend these products

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8 reviews

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BR
Brenda R.
Verified Buyer
Reviewing
GLASS MASK REFILL 30ml
I recommend this product
Rated 5 out of 5 stars
2 months ago
Best Skincare Ever
I started using all of the St Saj products from the day they were released. I cannot rave enough about the products. I’m almost 65 and I’ve never been more happy with my skin. I have never seen such a noticeable difference with anything else I’ve used. Highly recommend
Was this helpful?
RR
Renae R.
Verified Buyer
Reviewing
GLASS MASK REFILL 30ml
I recommend this product
Rated 5 out of 5 stars
1 month ago
A face like GLASS
The best overnight hydration mask. My mature skin loves it! Best one I’ve ever used.
Was this helpful?
AC
Ange C.
Verified Buyer
Reviewing
GLASS MASK + REFILL RECOVERY DUO
I recommend this product
Rated 5 out of 5 stars
2 months ago
Life Changing
Use this every night. It has been a game changer for the tone of my skin.
Was this helpful?
MD
Melissa D.
Verified Buyer
Reviewing
GLASS MASK + REFILL RECOVERY DUO
I recommend this product
Rated 5 out of 5 stars
4 months ago
Amazing product
My most favourite product ever!
My nightly routine looks like this:
Double cleanse, peptide power essence, hylaronic smoothing complex, Niaglow clarity boost, GLASS MASK and locking it in with supreme skin 7. I sleep with this on and wash it off in the morning.
My skin has never looked more calm, clear and healthy in the mornings. I am so happy with this routine!
Was this helpful?
AS
allie s.
Verified Buyer
Reviewing
GLASS MASK + REFILL RECOVERY DUO
I recommend this product
Rated 5 out of 5 stars
4 months ago
Glass mask
Love love love it! Makes my face feel amazing!
Was this helpful?

Australian Made

VEGAN & CRUELTY FREE

Yes, ST.SAJ products are formulated to be suitable for use during pregnancy and while breastfeeding.

However, we always recommend reviewing each individual product page and consulting your healthcare professional before introducing any new skincare during this time.

If breastfeeding, avoid applying products directly to the chest area or anywhere the baby may come into contact during feeding.

If you have specific ingredient questions, our team is always here to help guide you.
Yes, all ST.SAJ formulations are proudly Australian made, produced right here in Melbourne.

We are officially licensed to carry the Australian Made logo, reflecting our commitment to local manufacturing, quality control, and supporting Australian industry.

From formulation to filling and packing, our products are developed with care and precision to meet the highest standards.
Use 1-2 pumps and apply evenly across your face and neck.
How to use it:

Quick hydration boost: Leave on for 20 minutes, then rinse
Intensive overnight treatment: Leave on overnight for maximum hydration

Pro tip: Layer it over your serums and essence (like Peptide Power Essence + Hyaluronic Smoothing Complex), then lock everything in with Supreme Skin 7 on top for a seriously hydrated base.
Glass Mask is hydration-forward with barrier-supporting ingredients. You get multiple types of hyaluronic acid for deep moisture, madecassoside to soothe and repair, and gentle salicylic acid for light exfoliation without stripping. We added phospholipids and sphingolipids to support your skin barrier, plus beet extract for antioxidant protection. It's basically a hydration + barrier repair treatment disguised as a mask.
A: Madecassoside is the active compound from centella asiatica (also called cica or tiger grass). It's a plant extract that's been used in skincare for centuries, especially in Asian beauty routines.
Here's what it does: It calms irritation, supports skin barrier repair, and reduces redness. If your skin is reactive, sensitised, or inflamed, madecassoside helps settle things down.
In Glass Mask, we included it specifically to balance the gentle exfoliation from salicylic acid. So while the SA is working to clarify, madecassoside is simultaneously soothing and repairing. That's the ST.SAJ difference, actives without the irritation.

Overnight, your skin naturally forms an acid mantle, a protective layer made up of sebum and beneficial lipids that help maintain barrier function and microbiome balance.

In the morning, this protective layer does not require active cleansing. For most skin types, simply rinsing with water is enough before applying your treatment products.

We recommend the following morning approach:

Rinse → Essence → Serums → Moisturiser → SPF

Night-time is when active cleansing is essential to properly remove SPF, makeup, pollution, and daily buildup.

This philosophy supports long-term barrier health rather than over-stripping the skin.
We proudly offer Free Shipping on all Australian orders over $150.
Shipping on Australian orders under $150 is a flat rate of $10.00. We also offer express shipping for those that need their skincare in a hurry!
Yes, we do. See our shipping rates at checkout if you are one of our amazing friends abroad.
Please check our Returns Policy for information on returns.
If you believe you’ve had an allergic reaction to a ST.SAJ product, please email glow@stsaj.com straight away. Stop using the product for now, but don’t throw it away. If you’ve used less than 20% off the product we can discuss a refund after our team assesses the images of your reaction.
Use our store locator and pop in your postcode to find your nearest store.

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GLASS MASK REFILL 30ml

Complete the Routine

How to Use

FAQs