If you don't know how to change hairstyles using Gibbed's Savegame Editor, go here first.
Heh, when I imported my save I was just greeted with a 'Mass Effect 3 failed to reconstruct your face' or something along those lines. Had to load up ME2 again to get the face code. And yeah, they do look a bit different. Let's share face codes! This is a non mod face code for ME3, shes actually pretty attractive, especially in her night dress. The code is slightly modified from ME2 Code because in ME3 the dark brown eye brows became grey, and the hair became black when it should have been brown.
Hairstyles that require no extra modding.
BIOG_HMF_HIR_PRO.Hair_Sexy.HMF_HIR_Sxy_Diff
BIOG_HMF_HIR_PRO.Hair_Afro.HMF_HIR_Afr_Diff
BIOG_HMF_HIR_PRO.Hair_Classy.HMF_HIR_Cls_MDL
BIOG_HMF_HIR_PRO.Global.HAIR_Long_Diff
BIOG_HMF_HIR_PRO.Hair_Mom.HMF_HIR_Mom_MDL
BIOG_HMF_HIR_PRO.Hair_Cute.HMF_HIR_Cte_Diff
BIOG_HMF_HIR_PRO.Hair_PonyTail.HMF_HIR_Ptl_MDL
BIOG_HMF_HIR_PRO.Hair_HighBun.HMF_HIR_Hbn_Diff
BIOG_HMF_HIR_PRO.Hair_Iconbun.HMF_HIR_IBun_MDL
BIOG_HMF_HIR_PRO.Hair_HighBun.HMF_HIR_Hbn_Diff
BIOG_HMF_HIR_PRO.Hair_MidBun.HMF_HIR_Mbn_MDL
biog_hmf_hir_pro.Hair_MidBun.HMF_HIR_Mbn_Diff
BIOG_HMF_HIR_PRO.Hair_PROCustomSexy.HMF_HIR_PROCustom_Sexy_MDL
BIOG_HMF_HIR_PRO.Hair_PROShepard.HMF_HIR_PROShepard_MDL
On a character creator made custom femshep this hair will clip through the forehead rather extensively. Click for the fix.
BIOG_HMF_HIR_PRO.Hair_PROJessica.HMF_HIR_PROJessica_MDL
On a character creator made custom femshep there will be a gap down the hairline. Click for the fix.
BIOG_HMF_HIR_PRO.Hair_PROCustomCute.HMF_HIR_PROCustom_Cute_MDL
BIOG_HMF_HIR_PRO.Hair_Short02.HMF_HIR_PROShort_Diff
This hair was placed in the game unfinished. Texmod fix required: link
BIOG_HMF_HIR_PRO.Hair_VI.HMF_HIR_VI_MDL
BIOG_HMF_HIR_PRO.Hair_Short02.HMF_HIR_PROShort_Diff
This hair was also placed in the game files with unusable textures. Texmod fix required: link
BIOG_HMF_HIR_PRO.Hair_PROJessica.HMF_HIR_PROJessica_MDL
This mod will replace Aller's hair with Brooks' hair from the Citadel DLC: link
Hairstyles unfinished or not optimized for use on Shepard.
BIOG_HMF_HIR_PRO.Hair_PROEva.HMF_HIR_PROEva_MDL
BIOG_HMF_HIR_PRO.Hair_PROCustomAfro.HMF_HIR_PROCustom_Afr_MDL
BIOG_HMF_HIR_PRO.Hair_Mohawk.HMF_HIR_Mhk_MDL
BIOG_HMF_HIR_PRO.Hair_Short02.HMF_HIR_PROShort_MDL
BIOG_HMF_HIR_PRO.Hair_Short02.HMF_HIR_PROShort_Diff
Jack, Ashley, Miranda...
These models have additional issues which means they can't be added normally via Gibbed. Follow the link for the work-around: here
Mass Effect 3 Faces Database
Mass Effect 3 Face Codes Male
*Technically it's a lack of hair, but if you want bald Shepard type 'none' into the Hair Mesh entry of Gibbed.Mass Effect Shepard Face Codes