hiya alvaarengaaa <3
Before I start I must say that your skin surface is so inviting to go and just stroke over it, so smooth and soft. Really love that.
Anatomically your eyes/eyebrows are sitting too high. The eyes are supposed to sit in the middle of the face length in this frontal view. The nose is being to high as well. Especially guys you dont want to give cute short noses, it takes away masqulinity if thats a word :)
So to get the measurement under control I recommend using construction helpers:
alphonso dunn: https://www.youtube.com/watch?v=SYjpkg6vrlg
proko eyes placement: https://www.youtube.com/watch?v=u6-bCgRmcko
The light condition in the 14 day challange is the most simplest you will stumble over. It is coming from front and above the camera. Which is causing the nose lower lip and also the jaw chin cast shadows. It is called butterfly lighting or paramount lighting, if you want to check on that.
What you are telling with your eye/nose shading is that from brow on the eye and nose vanish apruptly backwards. Which can sort of happen with guys haveing massive brows, but! the nose would not have that extreme fall off. It is part of the browbone system and is coming out of the face.http://3qtu1m3ypm5t4vj8530cfjbq.wpengine.netdna-cdn.com/wp-content/uploads/2014/12/models-hairstyle.jpg
The value of the lower lip is colliding with the value you chose for your cast shadow. Your lips also got almost the same value apart from the highlight. The upper lip should be darker than the lower lip because it is facing away from the light source. Even without highlight. That then gives you the possibility again to stick with your cast shadow value under it.
You got a halo around your eyebrows. That happens when we do not know where those side planes start. The temple area dark value actually travels up to the where the brows have their turning point or peak. Introducing side planes to your face will also reduce the baloony effect you got on the upper skull.
I recommend checking on the planes of the head or the
asaro head: http://i.imgur.com/cTZfL.jpg
and Istebraks contouring & core shadow: https://www.youtube.com/watch?v=dPJdATnEfQA
Your nose holes miss radial shading, maybe refreshing knowledge here helps:
noses and radial shading: https://www.youtube.com/watch?v=IeceAgW7fBM
cg cookie nose chart: https://cgcookie.com/app/uploads/2015/06/noseresource.jpg