Kiehl's LLC is an American cosmetics brand retailer that specializes in skin, hair, and body care products.

Morse was involved in developing many of Kiehl's products that are still popular today; including Blue Astringent Herbal Lotion and Creme de Corps.

[4][5] Irving's son, Aaron Morse, who also studied pharmacology at Columbia University and was a former World War II pilot, took over the store in the 1960s.

"[15] Distinguishing features of the store include its window display of vintage druggist relics, and the collection of classic Harley-Davidson and Indian motorcycles housed within its doors.

At the same time, Kiehl's merchandise is "priced at the lower end of prestige skin care" while being distinguished for its "simple and straightforward packing which speaks to the old apothecary concept.

For example, for the opening a new store in New York's Upper West Side, Kiehl's supported improvements to a local playground in Central Park, a hot community topic at the time.

Their lab-coated staff undergoes an "intensive four-week residency schooling that thoroughly educates them in the chemistry, use and application of Kiehl's products.

"[21] Allan Mottus, the editor of the cosmetics industry magazine The Informationist, stated, "The Kiehl's store always attracted a cutting-edge younger crowd.

"[7] Compared to other cosmetics stores, Kiehl's is also known for appealing to an exceptionally large male clientele, which represents 30 to 40 percent of the company's customer base.

According to Wendy Liebmann, chief executive of New York research firm WSL Strategic Retail, "Kiehl's changes the paradigm with a health and wellness approach that demystifies cosmetics.

More than 40 years ago, Aaron Morse wrote the "Mission of Kiehl's," a 137-word statement which committed the company to the objective of "making for better citizens, better firms, and better communities.

At the end of the six-day charitable motorcycle ride up the coast of California, Chris Salgardo, the President of Kiehl's USA who led the group on his own Harley-Davidson, presented an $85,000 check to amfAR.