How to Apply Sunscreen Correctly | 5 Common Mistakes to Avoid

by | Jul 18, 2026 | Blog, Facials and Skin Care

 

5 Common Sunscreen Mistakes That Can Lead to Sun Damage

Applying sunscreen is one of the best things you can do for your skin—but only if it’s applied correctly. Many people unknowingly leave areas exposed, don’t apply enough, or forget to reapply throughout the day. These simple mistakes can increase the risk of pigmentation, premature aging, and skin cancer.

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1. Not Applying Enough Sunscreen

The Mistake:
Most people use far less sunscreen than needed, leaving their skin underprotected.

What to Do Instead:
Use approximately ½ teaspoon for your face and neck (about the length of two fingers). Don’t forget your ears, eyelids, hairline, and the back of your neck if it’s exposed.

Pro Tip from Lorena:
Apply sunscreen as the final step in your morning skincare routine before makeup.


2. Applying Sunscreen Only Once a Day

The Mistake:
Many people apply sunscreen in the morning and assume they’re protected all day.

What to Do Instead:
Reapply every 2 hours when outdoors, and immediately after swimming, excessive sweating, or towel drying.

Remember:
One morning application won’t protect you through an afternoon when in direct sun at the beach, a hike, or a day at the pool.


3. Forgetting Everyday Sun Exposure

The Mistake:
“I’m only driving to work,” or “I’m just walking the dog.”

Small amounts of UV exposure add up over time.

What to Do Instead:
Wear a hat, visor or don’t be afraid to use an umbrella, use sunscreen every day—even on cloudy days and even if you’re only outside for short periods.

Daily exposure contributes to:

  • Premature aging
  • Uneven skin tone
  • Hyperpigmentation
  • Collagen breakdown

4. Thinking Oily Skin Doesn’t Need Moisturizer

The Mistake:
Many people skip moisturizer during summer because their skin already feels oily.

What to Do Instead:
Choose a lightweight, non-comedogenic moisturizer. Hydrated skin often functions better and can feel more balanced.

A healthy skin barrier helps reduce irritation and supports overall skin health.


5. Relying Only on Sunscreen

The Mistake:
Sunscreen is essential—but it shouldn’t be your only line of defense.

What to Do Instead:
Combine sunscreen with smart sun habits:

  • Wear a wide-brim hat.
  • Seek shade during peak sun hours (generally 10 a.m. to 4 p.m.).
  • Wear UV-protective sunglasses.
  • Consider UPF clothing for extended outdoor activities.

Think of sunscreen as one part of a complete sun protection routine, not the entire strategy.


Lorena’s Professional Tip

At Personalized Skin Care, we believe healthy skin isn’t about avoiding the sun—it’s about respecting it.

Enjoy California’s beautiful weather, but give your skin the protection it deserves. A personalized skincare routine, daily sunscreen, antioxidants, and regular professional facials can help keep your skin healthy, radiant, and resilient all summer long.

Serving clients since 1993, Personalized Skin Care Facials Fullerton—part of PSC Wellness—specializes in corrective, results-driven facials designed to transform your skin.

We focus on customized treatments based on your skin’s condition, not just your skin type. Whether you’re dealing with acne, aging, sensitivity, or compromised skin, our approach is centered on restoring skin function, strengthening the barrier, and delivering visible results—often in just one session.

As part of PSC Wellness, we take a more complete approach to skin health, combining advanced treatments with long-term skin solutions tailored to you.

Personalized Skin Care is not a one-size-fits-all experience—it’s a targeted skin solution built on over 30 years of expertise.

Ready for a Facial?
Your skin deserves more than a routine — it deserves a ritual. At Personalized Skin Care in Fullerton, we craft facials tailored to your unique needs, whether it’s hydration, clarity, or that radiant glow. Come in stressed, leave refreshed  facials Fullerton, acne facial, anti-aging facial

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