Woman, it is good that what you do to see yourself beautiful physically, is not something that occupies all the space of your heart, since that would become vanity, and would make you weaker and withdrawn from the Lord. That is why it is good to keep your heart before the Lord.
Everything you do, let it be for the glory of God, for the enjoyment of your husband, but if you are not married, be careful not to lead others to temptation, but do what you are going to do thinking about doing it for the glory of God.
In the first epistle of Peter we find a great teaching of that apostle for women. Peter exhorts women to focus not on external appearance, but on their heart, which is full of the grace of God, of the Holy Spirit, to have the grace of God, which is the greatest beauty that a woman can have.