Musk in modern perfume is almost always a synthetic material with a soft, clean, warm, slightly sweet and skin-like smell, used in the base to give a fragrance softness, roundness and length. The name comes from a material once taken from the musk deer, whose use in perfumery has largely ended because the species is protected; today’s musks are made by chemists and smell quite different. Musks are among the most widely used materials in perfumery, appearing in perfumes of every family and in most laundry and personal-care products.
Where the name came from
Natural musk was a secretion from a gland of the male musk deer, native to the mountains and forests of Central, South and East Asia. Dried and tinctured, it had a powerful, warm, animalic smell and was prized for centuries in Asia, the Middle East and Europe. Hunting for it endangered several species, and international trade in musk deer products is now tightly controlled under the CITES convention. Perfumery replaced it with synthetic musks, which are both ethical and far more consistent.
What musk smells like today
Words often used: clean, soft, warm, powdery, sweet, cottony, skin-like, "like freshly washed laundry". Some musks are more animalic and sensual; most modern ones are clean and transparent. Musks are often described by what they do as much as by how they smell: they soften edges, round off a composition and help it last.
The kinds of synthetic musk
Chemists have created several groups of musk materials over more than a century. In everyday terms:
- Early synthetic musks, from the late nineteenth century, sweet and powdery; most are now restricted or no longer used.
- Polycyclic musks, widely used in the twentieth century, clean and laundry-like.
- Macrocyclic and related musks, closer in structure to natural musk molecules, soft and sensual, now very important.
You will not usually see these named on a perfume description; "white musk", "clean musk" and "skin musk" are marketing names for different blends of them.
Musk rarely announces itself. It is the reason a fragrance feels finished, like the lining of a coat.
Why some people can’t smell musk
Musk molecules are large and evaporate slowly, and a meaningful number of people have a specific anosmia to one or more of them — they cannot smell that particular molecule, or smell it only faintly, while smelling everything else normally. That is why perfumers often use several musks together, and why a musky perfume may seem strong to one person and almost invisible to another. If a "skin scent" seems to vanish on you, this may be the reason. See Why Can’t I Smell My Own Perfume?.
Where musk appears
- Almost everywhere in the base, supporting florals, woods and ambers.
- Musk-led perfumes — soft, clean fragrances built mainly around musks. See What Is a Skin Scent?.
- Powdery perfumes — musks with iris and heliotrope. See What Does Powdery Mean in Perfume?.
- Layering — a simple musk is one of the easiest fragrances to layer under another. See The Art of Layering.
How musks wear
Musks are long-lasting but usually quiet, sitting close to the skin. They often seem to come and go during the day — noticeable when you move or when your skin warms, then gone again — partly because of how the nose adapts to them.
Common questions
Is musk made from animals?
Not in modern perfumery. Almost all musks used today are synthetic.
Why does musk smell like laundry?
Because many detergents and fabric softeners are scented with the same clean musks.
What is "white musk"?
A marketing name for a clean, soft, powdery blend of synthetic musks, rather than a specific material.
Further reading
Musk appears among the materials in What Is Perfume Made Of?. For perfumers, RUŌOD Lab describes the musk families and their behaviour in formulas in Musks in Perfumery: Nitro, Polycyclic and Macrocyclic Musks.
