Mugler Secret Perfume by Thierry Mugler, A simply beautiful spring and summer fragrance, mugler secret is a delicate fruity floral musk thatâÇÖs perfect for daily wear. Bright, tart-sweet fruits open, mingling tantalizing tones of kumquat and red currant. Heart notes are a fresh and clean blend of rose petals and violet leaf, followed by a sheer finish of white musk and cedar.