Short answer: yes, every single day even when you're inside, even when it's grey and overcast. Here's why that matters more than most people realise.
UV Rays Don't Respect the Weather
Most skin cancers are caused by too much exposure to ultraviolet (UV) light, and UV rays are an invisible form of radiation that comes from the sun regardless of cloud cover or temperature (CDC, 2026). In fact, up to 80% of the sun's UV rays can penetrate cloud cover, which means a cool, grey Cape Town morning still exposes your skin to meaningful UV radiation (American Academy of Pediatrics, 2024).
There are two types to know about: UVB rays, which cause sunburn and contribute directly to skin cancer and UVA rays, which penetrate deeper into the skin and are the primary driver of premature ageing and hyperpigmentation. UVA rays pass through glass meaning your commute, your home office near a window, or your favourite coffee shop seat all count as sun exposure.
The Science on Daily Use
A landmark study published in the Annals of Internal Medicine followed 900 adults over 4.5 years and found that those who applied sunscreen daily showed 24% less skin ageing than those who only used it occasionally (Hughes et al., 2013, published in Annals of Internal Medicine). This wasn't just about burning: daily SPF users showed measurably less wrinkling, dark spots and loss of elasticity. The skin-saving effect was observed across all age groups.
A more recent clinical study published in Dermatologic Surgery found that participants who used an SPF 30 sunscreen daily for 12 months saw a 40–52% improvement in sun spots, pigmentation, skin texture and clarity (Portland Face Doctor, 2026).
How to Make Daily SPF Effortless
The biggest barrier to daily use is finding a sunscreen that doesn't feel heavy or greasy on your skin. Ocean Freedom's Everyday Mineral SPF30+ is a lightweight, non-greasy, broad-spectrum formula designed for exactly this: everyday use on face and body, whether you're heading to the office, taking a walk, or paddling out at dawn. It's CANSA-approved, dermatologist-formulated and made to wear comfortably all day.
👉 Shop Ocean Freedom Everyday Mineral SPF30+ at oceanfreedom.com ...your daily shield, whatever the weather.
Sources:
CDC (2026). Sun Safety Facts. https://www.cdc.gov/skin-cancer/sun-safety/index.html
American Academy of Pediatrics (2024). Sun Safety: Information for Parents. https://www.healthychildren.org/English/safety-prevention/at-play/Pages/Sun-Safety.aspx
Hughes, M.C.B. et al. (2013). Sunscreen and Prevention of Skin Aging: A Randomised Trial. Annals of Internal Medicine. PubMed: 23732711
Portland Face Doctor (2026). Study: Sunscreen Reverses Signs of Aging. https://www.portlandfacedoctor.com/blog/study-sunscreen-reverses-signs-aging/
CANSA. Ocean Freedom Sunscreen CANSA Seal of Recognition. https://cansa.org.za/csors/ocean-freedom-sunscreen/
