This was one of the products of Margaret Hayes of Brooklyn. This product was advertised at least as early as 1859 (see ad below), and it was still listed for sale in the 1875 John F. Henry, Curran & Co. catalog.
The following ad was transcribed from an 1859 New York Independent:
TRY IT! TRY IT!
TRY IT! TRY IT! TRY IT!
TRY IT! TRY IT! TRY IT! TRY IT!
JEROME'S HAIR COLOR RESTORER
Will cause gray hair to assume its original color. Jerome's Hair Color Restorer will cause the hair to grow where it has fallen off. Jerome's Hair Color Restorer will cure all diseases of the hair-such as Scald Head, Etc. Jerome's Hair Color Restorer is a beautiful hair dressing. Jerome's Hair Color Restorer is as harmless as water, and may be used freely. Jerome's Hair Color Restorer is liked by all who use it. Jerome's Hair Color Restorer is not a dye.
Hundreds of leading citizens in different parts of the union have testified to its wonderful virtues, and everyone who uses it joins in praise of it. Price 50 cents for large bottles. Address all orders to Joseph W. Hayes, Brooklyn. Sold in New York by Barnes & Park
The following is the only known Jeromes mold. To hair bottle collectors this is one of the most desirable bottles there is. Especially if it's in it's green, pontilled variety. Most of these examples are from George Waddy's collection (View Gallery). Photos courtesy of George. The one show at the right is mine.