Review of the SPF moisturiser: Is it enough to protect your skin?

The morning shortcut that might be selling you short

We all love a multitasker, especially when you’re a busy mum or mum-to-be. Moisturiser with SPF sounds like a dream: hydrate and protect in one easy step. But is it really enough? And does it give your skin what it truly needs during pregnancy?

Let’s break down what goes wrong with SPF moisturisers and what you can do for your skin to stay healthy, bright, and protected.

 

The deal with SPF in moisturiser

SPF moisturisers can provide some level of sun protection, but most don’t offer as much coverage as you think. Why?

1. They’re often applied too lightly or unevenly
2. Many contain SPF 15–30, which only works if applied generously
3. And very few of us reapply during the day

That means your skin could still be exposed to UVA rays, the ones that cause pigmentation and ageing, especially important during pregnancy.

 

Why is pregnancy a game changer? And not for the good...

Hormonal changes during pregnancy increase melanin production, making your skin more prone to conditions like melasma (also known as the “mask of pregnancy”). Even minimal sun exposure,-yes, even through a window, can trigger dark patches. That’s why daily protection becomes more than just a step in your routine: it’s essential.

 

Chemical vs. Mineral SPF: what is the difference?

Not all SPF is created equal. The biggest difference comes down to ingredients: whether they’re synthetic and lab-made or in a more natural form. Another key factor? How your skin interacts with them.

Let’s break it down:

Chemical sunscreens (like oxybenzone) are absorbed into the skin, where they filter UV rays from within. Some of these ingredients, especially oxybenzone, have been linked to hormone disruption, which is why they’re often avoided during pregnancy.

Mineral sunscreens (like zinc oxide) sit on top of the skin and reflect UV rays instead of absorbing them. They’re considered a safer option during pregnancy and are less likely to cause irritation, especially on sensitive or hormonal skin.

 

So, is an SPF in moisturiser enough?

It depends on the formula and how you use it. For everyday protection, layering your skincare properly matters:

Step 1: Apply a moisturiser to hydrate and prep the skin

Step 2: Apply a separate mineral SPF (broad spectrum)

Step 3: Reapply every 2 hours if outdoors

If you're using a multitasking moisturiser with SPF, make sure you’re applying the right amount, around ½ teaspoon for your face alone.

 

What to look for in a pregnancy & breastfeeding-safe moisturiser with SPF?

If you prefer a simplified routine, choose a moisturiser that’s:

• Formulated with mineral SPF (like zinc oxide)
• Free from known hormone-disrupting ingredients
• Designed for sensitive skin
• Rich in hydrating, brightening ingredients like vitamin C or bakuchiol

That way, you’re not just protecting your skin, you’re also supporting it through one of the most transformative times in your life.

The right SPF can make or break your skincare results, especially when hormones are doing their thing. And we all know that SPF made us once choose greasiness & sun protection over a hydrated healthy glow.

 

Whether you’re layering or multitasking, being informed helps you protect your skin (and your confidence) long term.

Are you ready to sign up to the #SIRENSKINCLUB waitlist? We will never make you compromise ;-)

Read more about Australia's brightening cream here