Group these layers and import to our main psd. Change foreground color to #e6deb5, select a soft brush and brush around the edges of eyeball to add some yellowness. Select brush tool, change its color to #d8cea6 now open "veins.abr" and create some veins inside eyeball. Name this layer to "vein".
Now we will add eyelids to the eye. To do this, create eyelid shape and change its color to #00b7d6. Duplicate the eyelid and change its color to #007da1, now add a layer mask to the layer then select a large soft brush of size 250 px, set foreground color to black and mask centre part of eyelid to reveal lighter part of eyelid.
Add some more shadows inside and outside eyelid by selecting a soft brush of size 100 pixel and color #0e5a79. Now create the upper lining of upper lid and change its color to #00425d. Next, Ctrl+click on upper lining to get its selection and create a new layer. Create lights on upper lining layer by a soft brush of size 100 pixels and color #236e8b.
Now we will add lights on eyelid lining, to do this, select pen tool and create a shape like this, don't forget to turn path layer on. Next, select a brush of size 2 pixels, color white and hardness 100%. Next, select pen tool, right click and select stroke path. Make sure to turn stimulate pressure option on.
Repeat step 16 & 17 to create lower eyelid and name the group "lower eyelid". Select pen tool, turn shape layer on and create eye lining with colors #0b506a & #15698b.
Now add some shadows around right eye and repeat step 11 to 18 to create left eye. Add some shadows to left eye, group all layers and name the group to "left eye".
Step 20 - Creating cheek wrinkles.
It's time to create wrinkles in the character, let's start with wrinkles on cheek. Create a shape to add light to cheek area, change its color to #c2e7f1 and apply gaussian blur of radius 17 pixels.
Create a selection for wrinkle, select a soft brush of size 100 px &color #004576 and brush around the edges to create wrinkle. Make sure to save selection before deselecting selection then create another shape of color #add8eb and apply gaussian blur of radius 15 pixels.
Now load the saved selection of wrinkle, press Ctrl + I to invert the selection and add shadows outside the wrinkle by a soft brush of color #0d5983. Group wrinkle layers and name the group "left wrinkle". Similarly, create right side wrinkle with same method by repeating steps 20 & 21.
Step 23 - Creating wrinkles on body.
Now we will create wrinkles on lower body of character to do this, select a soft brush of size 175 px, hardness 0% & opacity to 50%. Set the brush color to #0d6897 and start brushing to define wrinkle area.
Press P to select pen tool, turn path layer on and create the main wrinkle path. Save this path and press Ctrl + Enter to get its selection. Select a soft brush of size 200 px & color #0e547b, invert the selection and start adding shadows to main wrinkle. Change the brush opacity wherever needed.
Add shadows to lower part of character by a soft brush of color #0a6791. Change the brush color to #0f5b83 to add more shadows.
Select pen tool and create a path to create lining of lower wrinkle. Next, select a soft brush, change its color to #004e7a and add shadow to the lower wrinkle. Create a selection by pen tool to create lower wrinkle shadow, change the foreground color to #007299, invert the selection and create shadows outside the selection. Similarly add some shadows inside the selection to give wrinkle more realism.