Do I have to heat the keratin first, before applying them to my hair?

Don't put on as much spray. A light spritz is all that is needed, and shouldn't leave your hair wet.

Yes, you should. Don't forget the after treatment.

There are different kinds of conditioner oils. Read the instructions on the package. Most of them come ready to use unless otherwise stated.

You don't have to, but it is much healthier for your face, as it can prevent acne and clogged pores.

If your hair is severely damaged, it will not be possible to get a color that requires pre-lightening, such as pink, without risking severe damage and breakage.

It makes your makeup last longer, as well as making your makeup look fresher.

You don't have to, but it is advised. Before you send the EPK, make sure you have all the contents present and updated.

What you call curly is barely even wavy. You don't need to straighten it. You'll be fine.

Bleaching it may be your best bet to dye it. Then, you can use whatever color you want.

No, because the pastry would defrost first, it would end up soaking up the filling and you would end up with a soggy base. Also, you would end up cooking...