The Ingredient Everyone Keeps Coming Back To

Hyaluronic acid is a humectant. It attracts and holds water in the skin, which is exactly what tight, flat, thirsty skin needs, not just a heavier moisturiser.

It works across every skin type without adding oil or heaviness, which is why it's one of the few ingredients that suits almost everyone's routine.

If dryness is your main concern, see Skincare For Dry Skin.

What other mums are saying

From over 600 5-star reviews

Finally something gentle

"I stripped my whole routine back when I got pregnant and this was the only thing my skin was happy with."

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Verified Buyer – Supreme Skin 7

My skin stopped feeling tight

"Second trimester dryness was brutal. The Glass Mask fixed it overnight."

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Verified Buyer – Glass Mask

Simple and it works

"Three steps morning and night. That is all I have energy for right now and my skin looks better than it did before."

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Verified Buyer – Supreme Skin 7

 Woman applying ST.SAJ Hyaluronic Smoothing Complex toner with dropper - hydrating hyaluronic acid toner Australia

What Hyaluronic Acid Actually Does

A humectant that attracts and holds water in the skin — the ingredient to reach for when skin feels tight, flat or in need of a proper drink, without clogging pores or adding oil.

holding ST.SAJ MINI skincare set including Glow Cleanse, Clear Cleanse, Peptide Power Essence, Hyaluronic smoothing complex, niaglow clarity boost, and Glass Mask over a vanity

Suited To Almost Every Skin Type

Dry, oily, sensitive or combination — hyaluronic acid hydrates without adding oil, making it one of the few ingredients that works across the board.

Woman applying a dropper of skincare product to her face.

Layer It Right For Real Results

Apply to damp skin, then seal it in with a moisturiser or barrier cream. Cleanse, prep, treat, seal. Hydration works best when it has somewhere to go and something to lock it in.

The ingredients doing the work

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"I have been through this three times. Your skin does things you did not sign up for, and the last thing you need is a twelve step routine. Keep it simple, keep it hydrating, and be kind to yourself."

– Emmylou MacCarthy, Founder

Frequently asked questions