Comparing the two fragrances…

Avon

Le Labo
Rare Onyx
Musc 25
Only in Rare Onyx
Shared character
Both Rare Onyx and Musc 25 belong to the floral fragrance family and share common notes of rose, vanilla, musk, amber, lotus, and apricot.
How they differ
Rare Onyx features unique notes of neroli, mimosa, and dark plum wu mei, characterized by sweet, powdery, ambery, and animalic accords. Musc 25 contains a different composition including cedarwood, sandalwood, aldehyde, vetiver, freesia, peony, lychee, patchouli, lily of the valley, ambergris, pear, civet, blackcurrant, pot marigold, and smoke.
Who each suits
Rare Onyx may suit those who prefer sweet, powdery, and ambery floral profiles. Musc 25 may suit those interested in a complex blend involving woody, fruity, and smoky elements.