If you have the time for it it's better and recommended to use separate products but for convenience and daily moderate sun exposure the combos can be okay. Here's my 2 cents from reading the replies in here: Both the Anthony SPF and Jack Black Double Duty mentioned have parabens so I would immediately rule them out due to the toxicity and cancer causing potential. The Anthony SPF also has vitamin A which kind of defeats the purpose of it being an SPF product to begin with. Kiehl's is equally as bad/harmful as the Jack Black/Anthony (they're all ranked moderately harmful fwiw). In other words, avoid 99% of the recommendations in this thread. Alba Botanical is actually the only good recommendation so far in this thread (scores 2/10 for toxicity which is excellent) but I haven't tried it so can't comment on greasiness. The EWG cosmetics and sunscreen databases can provide you with all these facts for these and a plethora of other products so you should just check there for more info. With that said, I've been on a pretty exhaustive search for something safe/effective/non-greasy for daily use over the past few weeks. I just got the
Desert Essence SPF in the mail yesterday, which is all natural and zinc-based and is not greasy or chalky even for a zinc-based product (as zinc sunscreens usually are). It doesn't have the best moisturizing characteristics but sunscreen/moisturizer combos never do anyway so that is to be expected (part of the reason why it's recommended to use separate products). Their products also rank amongst the safest according to EWG so I would recommend you give it a look, or the Alba Botanica if you can find it.