Comparing the two fragrances…

Dior

Tous
La Rose
Loveme
Only in Loveme
Shared character
Both La Rose and Loveme feature Rose Centifolia.
How they differ
La Rose is composed solely of Rose Centifolia. Loveme contains a wider variety of notes, including Jasmine, Rose, Cedarwood, Grapefruit, Cashmeran, Pink Pepper, Peony, Lychee, Damask Rose, and Moss. These ingredients contribute to accords of Floral, Citrus, Woody, Fruity, Fresh, Sweet, Synthetic, tropical, and white floral.
Who each suits
La Rose suits those seeking a fragrance centered exclusively on Rose Centifolia. Loveme suits those who prefer a complex blend of floral, citrus, woody, and fruity elements.