NEW YORK -- You're on the go. No reason not to take your fragrance with you.

Perfume makers have realized that spray-or-splash formulas, while still the bulk of their offerings, don't always accommodate the modern reality that people are out the door in the morning and often don't return until late at night. But that doesn't mean they don't want a beauty fix somewhere along the way.

So now there are fragrance rollerballs, solid fragrances hidden inside jewelry, designer deodorant for your gym bag and soap on a rope.

"Let's start with airplanes. First, women didn't really want to travel with jars and bottles anyway, so it's a trend driven by consumers. But then post-9/11, people really needed a more portable form of fragrance than a bottle," says Rochelle Bloom, president of the Fragrance Foundation, an industry trade group.

Solid perfume isn't new, she notes, and versions were considered "collectables" at one point, but the market and demand changed when airlines started restricting liquids. The solids then spun off into all of the novelty packaging.

"The specialty items are novelty and make a fashion statement. It becomes a little more fun, hip and cool, and everyone is always going after the young people as consumers," Bloom says.

Market researcher NPD, in its prestige beauty report for 2009, noted that fragrances, such as Ralph Lauren's Romance Rollerball and Marc Jacobs Daisy solid perfume necklace, performed well at retail in a category that otherwise saw sales fall 10 percent.

Alternative formulas give fragrance fans a convenient alternative to bottled juices with an eye toward "touch-ups," says Trudi Loren, vice president of corporate fragrance development at The Estee Lauder Companies.

For Acqua di Parma, the deodorant stick and talcum powder are Top 10 products. Adrienne Davis, director of the brand's marketing, doesn't see these as replacement products but as complementary. The idea is that layering the fragrance will give the longest-lasting effect, she says.

Bloom also notes that these ancillary products often are less expensive than an eau de parfum or an eau de toilette.

Some alternate forms:

--Marc Jacobs Lola Perfume Ring. A solid fragrance literally at your fingertips inside purple-fuchsia-red floral ring.

--Victoria's Secret Life is Pink Rollerball. The test-tube size rollerball is offered in a series of scents, each with a decorative charm cap.

--Prada L'Eau Ambree Perfumed Body Powder. A powder with an applicator puff.

--Sarah Jessica Parker Solid Perfume Cuff. Hidden inside the faux gem on a cuff bracelet is the SJP NYC fragrance.

--Ultimate Cashmere Mist Bodysuit Hydrating Misting Spray. Still a liquid, but different than a typical perfume because it's a steady spray instead of a spritz, and it's supposed to be used as an all-day moisturizer.

--Chanel's Coco Mademoiselle Fresh Moisture Mist. A lightweight moisturizer (available this summer).

--David Yurman Dusting Powder. A dusting powder with a subtle gold shimmer and fragrance of patchouli and floral essences.

--Beyonce Heat Solid Perfume Ring. An oversize, ruby-colored cocktail ring in the shape of a flower (available this summer).

--Aramis Soap on a Rope. The classic fragrance first launched in 1964 in a shower-ready form.