Here is a list of everything the $4 coupon is good on :)

After $4 Coupon:

Neutrogena Healthy Skin Smoothing Stick, Medium 03, .1 Oz. $1.71 Add On

Neutrogena Skinclearing Blemish Concealer, Various .05 Oz. $2.79 Prime

Neutrogena Mineral Sheers Loose Powder Foundation, Tan 80, .19 Oz. $4.07 Add On

Neutrogena Healthy Skin Blush, 10 Rosy, .19 Oz. $3.89 Prime

After $2.50 Coupon:

Neutrogena Healthy Lengths Mascara, Black/Brown 03, 0.21 Oz $2.59 Add On

Neutrogena Nourishing Eyeliner Pencil, Brushed Pewter 20, .01 Oz. $3.09 Add On

Choose "No Rush" shipping on a prime item and get $1 digital credit.