byoma hydrating serum

Byoma Hydrating Serum is a very light, water-focused serum aimed at two things at once: flooding skin with moisture and shoring up the barrier that keeps it there. Byoma builds it on its Tri-Ceramide Complex and pairs that with squalane and glycerin for an immediate hydration hit.

Best for	Dehydrated skin and a weakened barrier
Texture	Ultra-lightweight serum
Key actives	Tri-Ceramide Complex (ceramides, cholesterol, fatty acids) · squalane · glycerin
Free from	Oil · alcohol · fragrance. Non-comedogenic
Good to know	Vegan · cruelty-free · dermatologist tested · accepted by the National Eczema Association

What it actually does

• Delivers hydration straight away. Byoma describes the squalane-and-glycerin pairing as giving a surge of instant moisture, with results that keep going rather than fading in an hour.
• Holds water in for a full day. The brand’s clinical testing reports moisture locked in for up to 24 hours after a single application.
• Rebuilds the barrier with the right lipids. The Tri-Ceramide Complex is formulated around the three components of the stratum corneum — ceramides, cholesterol and fatty acids — to mimic and replenish what skin already makes.
• Improves how radiant skin looks. Byoma says radiance improved after just one application in its testing, and that skin is left smooth, soft and nourished.
• Reduces sensitivity. Alongside barrier improvement, the brand lists reduced skin sensitivity among its clinically proven outcomes.
• Designed to stay out of the way. It is oil-free, non-comedogenic, and free of alcohol and fragrance — and it is accepted by the National Eczema Association.

How to use

1. Cleanse first, and apply while skin is still slightly damp — humectants like glycerin have more water to draw on.
2. Press a few drops over face and neck. It is a thin serum, so a little spreads far.
3. Seal it with a moisturiser. A serum delivers water; the cream on top is what stops it evaporating.
4. Use it morning and night, and finish your morning routine with SPF.

Is it right for you?

Questions

What is the Tri-Ceramide Complex?

It is Byoma’s own blend of the three lipid types found in the outermost layer of skin: ceramides, cholesterol and fatty acids. The idea is to replace what the barrier is short of so it can hold moisture properly on its own.

Will it break me out?

It is formulated with that in mind — the serum is oil-free and non-comedogenic, and dermatologist tested. No formula can promise zero reaction, so patch test on the jaw for a few nights if your skin is unpredictable.

Do I still need a moisturiser on top?

Yes. This is a hydrating serum, not a moisturiser — it brings water to the skin, while a cream is what keeps it from escaping. Byoma’s own 24-hour claim is about the serum’s performance, not a reason to drop the rest of your routine.

Can I layer it with retinol or acids?

Nothing in the formula conflicts with them — there are no actives here beyond hydrators and barrier lipids. Applying it before a strong active is a common way to make that active easier to tolerate.

Delivery, payment and returns?

Delivery takes 3 to 21 working days, depending on availability. You can pay by credit card, debit card, Instapay or mobile wallet — there is no cash on delivery. Returns are for defective, damaged or expired items only, reported within 1 day of delivery; verified refunds go back to your original payment method within 15–30 days.