The choice of tonal foundations is now huge - the selection of non-comedogenic ones is equally huge among them, and, oddly enough, this is not always a "putty" - the main trend now is towards a natural finish + a significant share in the composition of care and sunscreen components. Of course, as always, everyone has their own, the skin can react to the most hypoallergenic care / decoration, but still this is not very common. So the question of "harmfulness" can be said to have disappeared now, and the foundation, in addition to its main function, is also an excellent barrier against UV radiation and city dust. Korean and Japanese brands are ahead of the rest in this regard :) The choice is huge, finding something of your own is also no problem.
By the way, if you ignore the stage of cleansing, La Mer will also clog your pores :)
Regarding mascara and other means for black eyes (after all, eyes, it's scary to smear anything) - they are all ophthalmologically tested (normal, official brands, not fakes), so there is no harm, except in cases of individual intolerance, again no, except
How to care? Yes, as always. Someone personally has enough washing and moisturizing cream, someone is a fan of a multi-stage system (that's me). Try, select, the ocean of information :)
From myself I would advise Adeli's blog http://www.donttouchmyface.co/?m=1 - "sofa expert", as she calls herself, but writes extremely nice to the eye and on the case.
And yes, always use Sanskrin! (it also needs to be thoroughly washed off, by the way). This is generally a general advice for all genders and ages.
Oh yes. The fact that you do not clog your pores with toner every day, do not dry your skin with powder and do not dye your eyelashes is very harmful, yeah.
A clean face with no makeup at all is its natural state, it will not get worse, even better.
Wash your face in the evening, moisturize your skin with a cream or gel, if you are over 23-25 years old - smear something light on the skin under your eyes, if you are outside in the summer for more than half an hour - smear with a cream with SPF. On the lips balm as needed (preferably from natural ingredients such as EOS).
I'm purely curious: how do you think the positive effect of decorative cosmetics on the skin? What exactly is improving why?