1 Peter 3:3-4
Do not let your adornment be merely outward—arranging the hair, wearing gold, or putting on fine apparel— rather let it be the hidden person of the heart, with the incorruptible beauty of a gentle and quiet spirit, which is very precious in the sight of God.
Part of the above also mentions wives being submissive to their husbands, so if this is for married woman or women in general I'm not sure but...
1 Timothy 2:9-10
...in like manner also, that the women adorn themselves in modest apparel, with propriety and moderation, not with braided hair or gold or pearls or costly clothing, but, which is proper for women professing godliness, with good works.