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Skincare6 min readUpdated

Summer Skincare in Carlsbad: Sun, Sweat and Breakouts

A summer skincare routine for Southern California: how to use sunscreen properly, protect dark spots and melasma, prevent sweat breakouts and heat rash, and avoid lime burns.

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Dermatologist Approved Guide to Summer Skin

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A summer skincare routine is lighter and more protective: a gentle cleanser, a vitamin C serum, a light non-comedogenic moisturizer and broad-spectrum SPF 30+ sunscreen in the morning, then removing sunscreen thoroughly at night. Use about a teaspoon of sunscreen for the face and a shot glass for the body, reapply every 2 hours and after swimming or sweating, seek shade from 10 a.m. to 2 p.m., and shower soon after sweating to prevent breakouts.

  • Use broad-spectrum, water-resistant SPF 30 or higher: about a teaspoon for the face and 1 ounce for the body.
  • Reapply every 2 hours and right after swimming or sweating.
  • Seek shade from 10 a.m. to 2 p.m. and wear a hat, sunglasses and UPF clothing.
  • Tinted sunscreen with iron oxides helps protect melasma and dark spots from visible light.
  • Lime juice plus sun can cause burns and dark streaks (phytophotodermatitis).
  • Shower and change soon after sweating, and switch to light, non-comedogenic products.
On this page 8 sections
  1. A simple summer skincare routine
  2. Sun protection that actually works
  3. Dark spots and melasma in summer
  4. Sweat, breakouts and summer rashes
  5. Common summer skin myths
  6. Check your skin
  7. Summer skin care at Glow Theory
  8. Frequently asked questions

Summer in Carlsbad means long beach days, ocean swims, sweaty workouts and sun that is strong enough to burn in well under an hour at midday. For skin, that brings three problems at once: UV damage, breakouts from sweat and heavy products, and dark spots that flare in heat and light. A good summer routine is simpler than a winter one: lighter textures, gentle cleansing and serious, well-applied sun protection.

1 in 5Americans will develop skin cancer in their lifetime
1 ounceof sunscreen (a shot glass) to cover the body; about a teaspoon for the face
Every 2 hoursreapply, and straight after swimming or sweating

A simple summer skincare routine

Morning

Protect

  • CleanseA gentle gel or foaming cleanser if you are oily; water is enough for dry skin
  • AntioxidantVitamin C serum, under sunscreen
  • MoisturizeA light gel or lotion, or skip if your sunscreen moisturizes
  • SunscreenBroad-spectrum SPF 30 or higher, a full teaspoon for face and neck

Evening

Clean and repair

  • Remove sunscreenA cleansing oil or balm first if you wear water-resistant sunscreen or makeup
  • CleanseA gentle cleanser
  • TreatYour retinoid or acne treatment
  • MoisturizeA light, non-comedogenic lotion

Double cleansing (an oil cleanser, then a regular one) is useful at night when you wear water-resistant sunscreen or makeup. There is no need to double cleanse in the morning, and if your skin feels tight afterward, one gentle cleanse is enough.

Sun protection that actually works

Most people get far less protection than the SPF on the bottle, because they use too little and do not reapply. The American Academy of Dermatology recommends:

  • Broad-spectrum, SPF 30 or higher, water-resistant for any time outdoors.
  • Enough of it: about 1 ounce, a shot glass full, for exposed skin on the body, and about a teaspoon for the face.
  • Apply 15 minutes before you go out, and reapply every 2 hours and straight after swimming or sweating, even if the label says water-resistant.
  • Do not miss the ears, neck, tops of the feet, backs of the legs, scalp parting and lips. Use a lip balm with SPF 30 or higher.
  • Seek shade between 10 a.m. and 2 p.m., or whenever your shadow is shorter than you are.
  • Cover up with a wide-brimmed hat, UV-blocking sunglasses and clothing with a UPF label for long days outdoors.

Dark spots and melasma in summer

Sun, heat and even visible light can darken melasma and other brown spots within days. If you have melasma or are prone to dark marks:

  • Choose a tinted sunscreen with iron oxides, which the AAD notes may help guard against dark spots caused by visible light.
  • Reapply during the day and wear a hat; one unprotected afternoon can undo months of treatment.
  • Keep using your prescribed fading cream, unless your provider has said to pause it.
  • Save peels and lasers for darker spots for fall and winter, when sun exposure is lower.

Watch out for limes. Lime juice (and lemons, grapefruit, celery and parsley) on sun-exposed skin can cause a burn-like reaction called phytophotodermatitis: redness and blisters within a day, followed by dark streaks that can last for months. If you squeeze limes at a barbecue or spill a drink at the beach, wash your hands and skin with soap and water promptly.

Sweat, breakouts and summer rashes

  • Sweat breakouts: sweat trapped under tight clothing, helmets, hats or straps can cause breakouts on the forehead, back and chest. Shower and change soon after exercise, and wash workout clothes and hats regularly.
  • Heavy products: switch to lighter, non-comedogenic moisturizer and sunscreen. Some people break out from thick, oily sunscreens; a lightweight or mineral formula labeled non-comedogenic often works better.
  • Itchy bumps that look like acne: uniform, itchy bumps on the chest, back or hairline that do not respond to acne treatment may be a yeast-related folliculitis rather than acne. It needs different treatment, so have it checked.
  • Heat rash: tiny, prickly bumps in skin folds and under clothing happen when sweat ducts block. Cool down, wear loose, breathable clothing and avoid heavy creams on the area.
  • Pool and ocean: rinse off chlorine and salt water after swimming and apply a light moisturizer to dry areas.

Exfoliating once or twice a week with a gentle acid can help keep pores clear, but over-scrubbing irritates sun-exposed skin and can make breakouts and dark marks worse.

Common summer skin myths

MythThe facts
Hot water opens pores; ice closes themPores do not open and close. Ice may calm redness briefly but does not shrink pores; lukewarm water is simply gentler.
A tan protects youA tan is a sign of UV damage and offers little protection against burning.
SPF in makeup is enoughFew people apply enough foundation to reach the label SPF. Wear sunscreen underneath.
Cloudy days are safeMuch UV passes through cloud, and Carlsbad’s June gloom still burns.
Darker skin does not need sunscreenAll skin tones can burn and develop skin cancer, and sun worsens dark spots.

Check your skin

Summer is a good time to look at your skin from head to toe. See a provider for any new spot, a mole that is changing in size, shape or color, or a sore that does not heal within a few weeks. A yearly skin cancer screening is a good idea if you have had a lot of sun, many moles, or a personal or family history of skin cancer.

Summer skin care at Glow Theory

Laser and resurfacing treatments are usually best started in the cooler months; ask us about timing. When summer ends, our winter skincare routine guide shows what to change. You can also read about sunscreen ingredients and vitamin C, or book a visit at our South Carlsbad studio on El Camino Real.

Skin Cancer Screening CarlsbadFull-body skin cancer screening to check moles and spots for melanoma and other skin cancers early.See treatment, prices and results
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Frequently asked questions

What is a good summer skincare routine?

Morning: gentle cleanser, vitamin C serum, light moisturizer and broad-spectrum SPF 30+ sunscreen. Evening: remove sunscreen (an oil cleanser first if it is water-resistant), cleanse, apply your treatment and a light moisturizer.

How much sunscreen should I use?

About a teaspoon for the face and neck and about 1 ounce, a shot glass full, for exposed skin on the body.

How often should I reapply sunscreen?

Every 2 hours outdoors and straight after swimming or sweating, even if it is water-resistant.

Why do I break out more in summer?

Sweat trapped under clothing and gear, and heavier sunscreens and moisturizers, can clog pores. Shower soon after sweating and use non-comedogenic products.

What sunscreen is best for melasma?

A broad-spectrum SPF 30+ tinted sunscreen with iron oxides, which also helps block visible light.

Can lime juice burn your skin in the sun?

Yes. Lime and other citrus juices on sun-exposed skin can cause phytophotodermatitis: redness and blisters followed by dark streaks that may last months.

Sources

  1. How to apply sunscreen. American Academy of Dermatology
  2. Practice safe sun. American Academy of Dermatology
  3. Lime juice and sun can cause skin rashes. National Capital Poison Center

Insiyah Darugar

MSN, FNP · Founder & CEO

Insiyah Darugar, MSN, FNP is the founder and CEO of Glow Theory Aesthetic & Dermatology Studio in Carlsbad. She brings more than 15 years of hands-on experience in dermatology and aesthetics and completed the Dermatology Nurse Practitioner Fellowship at Lahey Hospital & Medical Center, a…

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Glow Theory's Medical Director is Dr. Jonathan Sykes, a board-certified facial plastic surgeon.

How we write and check our articles

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