Happy Summer Solstice!  Aka the longest day of the year, aka official first day of summer.  And I want to remind everyone to wear their sunscreen today, and every day! 🙂

If you’ve been reading this blog for any length of time, you’ll know what I’m an advocate of sunscreen.  No other anti-aging skincare is as effective as sunscreen.

There are 2 general categories of sunscreens: 1) chemical and 2) physical (or sometimes referred to as mineral).  I personally prefer physical sunscreen (combinations of titanium dioxide [TiO2] and zinc oxide [ZnO]), for a number of reasons:
• much more photostable than chemical sunscreens
• less likely to cause skin reactions
• combined, TiO2 and ZnO covers the entire spectrum of UVB and UVA rays (and you want to protect well against both: UVB causes sunburns but UVA causes aging)

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