It is necessary for women in particular not to display any of their embellishments except before their close relatives, attendants and people of acquaintance. However, exempted from this are embellishments adorned on limbs which are generally never covered: ie. the jewellery and make-up worn on the hand, the face and the feet.
Therefore, barring the embellishments worn on these places, women must hide the ones worn in all other places. So much so, in the presence of men, they should not walk by striking their feet in a manner which draws attention to any hidden embellishments they may be wearing. On these very grounds, the Prophet (sws) bade women not to use strong perfumes when they go out.
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