Sunscreen is a crucial part of any skincare routine, but many people are unsure about when to apply it. Should it go before or after moisturizer? Can it be mixed with other products? The simple answer is: sunscreen should always be the final step in your morning skincare routine. Applying it correctly ensures maximum protection from harmful UV rays, prevents premature aging, and keeps your skin healthy. Here’s why sunscreen must come last in your regimen.
1. Sunscreen Works as a Protective Barrie
Sunscreen acts as a shield against the sun’s ultraviolet (UV) rays. If you apply other products on top of sunscreen, you can dilute its effectiveness or interfere with its ability to form an even layer on your skin.
How It Works:
- Chemical sunscreens absorb UV rays and convert them into heat before releasing them from the skin.
- Mineral (physical) sunscreens create a barrier that reflects UV rays away from the skin.
If sunscreen is buried under moisturizers or serums, it won’t be able to function properly as a protective layer.
2. Sunscreen Needs Direct Contact with Skin to Be Effective
For sunscreen to work efficiently, it should sit directly on clean, dry skin or on top of your moisturizer. If applied too early in your routine, ingredients from serums, oils, or creams might prevent proper absorption, reducing its ability to protect your skin.
Correct Order of Application:
- Cleanser – Removes dirt, oil, and impurities.
- Toner (optional) – Balances the skin’s pH and preps it for treatment.
- Serum (optional) – Delivers active ingredients like vitamin C or hyaluronic acid.
- Moisturizer – Hydrates and strengthens the skin barrier.
- Sunscreen (SPF 30 or higher) – Protects against UV damage.
Applying sunscreen last ensures that it forms an even layer on the skin without interference from other products.
3. Mixing Sunscreen with Other Products Reduces Its Effectiveness
Some people mix sunscreen with their moisturizer or foundation for convenience, but this can dilute the SPF and reduce its protective ability. Sunscreen is carefully formulated to provide a certain level of UV protection, and altering its composition can make it less effective.
What You Should Do Instead:
- Layer, don’t mix – Apply sunscreen separately, after your skincare routine.
- Wait a few minutes before applying makeup – Let sunscreen set on your skin to avoid rubbing it off.
- Use SPF-infused makeup as an extra, not a replacement – Makeup with SPF is not enough for full sun protection.
4. Sunscreen Should Be Reapplied Without Removing Other Product
Throughout the day, sunscreen wears off due to sweat, touch, and environmental exposure. If you’ve applied it properly as the last step, reapplying it won’t interfere with the rest of your skincare.
How to Reapply Sunscreen Over Makeup:
- Use a powder sunscreen or SPF setting spray for easy reapplication.
- Blot skin before reapplying sunscreen to remove excess oil or sweat.
- Carry a lightweight sunscreen stick for touch-ups throughout the day.
5. Sunscreen is Essential Year-Round
Many people only wear sunscreen in the summer, but UV rays are present every day, even when it’s cloudy or cold. UVA rays penetrate deeper into the skin and contribute to premature aging, while UVB rays cause sunburns. Both types of rays are harmful all year long.
Sunscreen Benefits Beyond Sun Protection:
- Prevents premature aging (wrinkles, fine lines, and age spots).
- Reduces the risk of skin cancer caused by prolonged UV exposure.
- Protects against hyperpigmentation and dark spots.
Make applying sunscreen the last and most consistent step in your skincare routine to keep your skin healthy and youthful.
Conclusion
Sunscreen is your skin’s best defense against sun damage, and applying it correctly is key to its effectiveness. Always use it as the last step in your skincare routine to ensure it forms a proper protective layer. By following this simple rule, you can maximize your SPF’s benefits and keep your skin protected year-round.