Kiehl's, a skincare brand, has been in operation since 1851.

Helena Rubinstein, a pioneer in the cosmetics industry, founded her brand in 1902.

Eugène Paul Louis Schueller, a French chemist, registered his company, the Société Française de Teintures Inoffensives pour Cheveux (Safe Hair Dye Company of France), which eventually became L'Oréal. The company focused on research and innovation in the beauty field.

Liliane, the only child of L'Oréal founder Eugene Schueller and his wife, Louise, was born in Paris in 1922. She later became a key figure in the L'Oréal empire.

In 1925, L’Oréal introduced the d’Or hair brightener, a product aimed at enhancing the brightness of hair.

In 1928, L’Oréal acquired Monsavon, a significant move in expanding its portfolio and market presence.

Imédia, the first fast-acting oxidation dye, was introduced in 1929, revolutionizing hair coloring methods.

In 1933, L’Oréal founder Eugène Schueller created Votre Beauté magazine, a publication focused on beauty and cosmetics.

In 1934, Dopal, the first soap-free shampoo, was introduced in hairdressing salons. It later underwent a name change to DOP and became available to the public.

Lancôme, a renowned cosmetics brand, was founded in 1935.

In 1939, La Société Française des Teintures Inoffensives pour Cheveux was officially named L'Oréal, marking a significant milestone in the company's history.

L'Oréal was founded after World War II and grew to become the largest cosmetics company in the world.

In 1950, Liliane married Andre Bettencourt, who was the deputy chairman of L'Oréal. This marriage further solidified her connection to the company.

Biotherm, a skincare brand, was established in 1952.

L'Oréal was founded in 1953. It is a major cosmetics and beauty company.

In 1954, L'Oréal introduced the level system, which is now the common language used for hair color. This system revolutionized the way hair color is understood and communicated in the beauty industry.

In 1957, at the age of 35, Liliane inherited the entire L'Oréal empire after her father's passing. This marked a significant turning point in her career.

In 1960, L’Oréal launched Belle Color, the first at-home hair color shampoo, providing a convenient solution for coloring hair at home.

Yves Saint Laurent, a prominent fashion designer, founded his brand in 1961.

In 1963, L’Oréal went public and started trading on the Paris Bourse, marking a significant milestone in the company's history.

In 1964, L’Oréal acquired the renowned beauty brand Lancôme, expanding its portfolio and market presence in the beauty industry.

In 1965, L’Oréal acquired Garnier, a popular brand known for its hair care and skincare products, further strengthening its position in the beauty market.

In 1966, Récital at-home hair dye kits were introduced.

Shu Uemura, a renowned makeup artist, launched his brand in 1967.

In 1970, L'Oréal acquired Biotherm.

The iconic slogan 'Because I'm Worth It' was introduced in 1973, becoming a powerful statement of self-worth and empowerment in L'Oréal's marketing campaigns.

In 1974, the Gesparal holding company was established by L'Oréal's major shareholders, the Bettencourt family and Nestlé, consolidating their control and influence in the company.

Armani, a well-known fashion house, was established in 1975.

Ralph Lauren Fragrances, a line of perfumes, was introduced in 1978.

In 1979, L'Oréal started in vitro tissue testing and has not tested any products or ingredients on animals since 1989, which was well ahead of regulatory requirements.

In 1982, the Mexoryl SX molecule was patented, marking a significant advancement in sun protection technology.

Charles Zviak was named CEO in 1984, bringing his leadership and expertise to guide the company forward.

In 1985, L’Oréal acquired the beauty license for Ralph Lauren, expanding its portfolio in the beauty industry.

In 1987, Le Club des Créateurs de Beauté was founded as a joint venture between L’Oréal and 3 Suisses International, aiming to bring innovative beauty products to the market.

In 1988, Lindsay Owen-Jones was appointed as the chairman and CEO of L’Oréal, leading the company through a significant period of growth and success.

In 1989, La Roche-Posay was acquired by a company or entity. La Roche-Posay is a well-known skincare brand known for its dermatological expertise.

In 1990, Lancôme introduced the fragrance Trésor to the market. Trésor is a popular perfume known for its elegant and romantic scent.

L'Oréal had its German headquarters on land confiscated from a Jewish family during World War II. The family, including Holocaust survivors, has been battling for restitution. The company claims it is not responsible for the actions before 1961.

Mugler, a fashion and fragrance house, was founded in 1992.

In 1993, L’Oréal acquired the brand Redken.

In 1994, L’Oréal introduced the first pigmented reconstructed skin product.

In 1995, L'Oréal acquired Maybelline, becoming one of the top cosmetics producers in the United States.

25 years ago, the L'Oréal Groupe initiated a partnership with INSEAD to establish a scholarship program aimed at supporting youth.

In 1998, L’Oréal acquired the brand SoftSheen.

In 1999, Synthélabo merged with Sanofi to create Sanofi-Synthélabo. L’Oréal and Elf-Aquitaine collectively held a controlling interest in the new entity.

In the year 2000, L'Oréal accelerated its expansion to new markets, segments, and distribution channels. The company also embraced sustainability challenges and introduced L'Oréal Men Expert, the first mass-market anti-aging line for men. Additionally, L'Oréal embraced digital opportunities early on, staying innovative to meet consumers' evolving lifestyles and needs.

In 2001, L’Oréal divested itself of Lanvin and its stake in the Marie Claire Group, reshaping its portfolio of brands.

In 2002, L'Oréal and Nestlé collaborated to establish Laboratoires Innéov, a joint venture focusing on nutritional supplements for skin and hair health.

In 2003, L'Oréal inaugurated the Institute for Ethnic Hair and Skin Research in Chicago, dedicated to studying and developing products for diverse hair and skin types.

In 2004, Sanofi-Synthélabo merged with Aventis to become Sanofi-Aventis.

In August 2005, the Supreme Court of California ruled in favor of former L'Oréal sales manager Elyse Yanowitz in a discrimination case, highlighting issues of retaliatory termination and racial discrimination within the company.

On March 17, 2006, L'Oréal acquired cosmetics company The Body Shop for £562 million.

In 2007, Anita Roddick and Shu Uemura, notable figures in the beauty industry, pass away.

In March 2008, L'Oréal took full control of Le Club des Créateurs de Beauté, a mail-order sales company for cosmetic products.

In May 2008, L'Oréal bought YSL Beauté for $1.8 billion.

In 2009, L'Oréal declared their intention to cut greenhouse gas emissions, water consumption, and waste by 50% over the period 2005-2015, using methods like solar panels and biogas.

In 2011, L'Oréal opened the Predictive Evaluation Center in Lyon, France, dedicated to assessing product quality without animal testing.

The L'Oreal Global Hair Research Centre was inaugurated in March 2012 in Paris Saint-Ouen, serving as the hub for international departments focusing on hair color, care, and styling.

In November 2012, L'Oréal opened its largest factory in Jababeka Industrial Park, Cikarang, Indonesia, with a $100 million investment. The factory aimed to produce for both domestic and export markets.

In 2013, L'Oréal was part of a consortium urging the EU to invest in research on alternatives to animal testing.

During Operation Protective Edge, Garnier Israel donated care packages to IDF soldiers, leading to calls for a boycott against Garnier and L'Oréal worldwide. Garnier disavowed the giveaway, stating it promotes peace and harmony.

In May 2015, L'Oréal partnered with Organovo to explore 3D printing of living human skin for testing product toxicity and efficacy, marking a significant advancement in beauty technology.

By 19 March 2016, L'Oréal had a share value of 89,542 million euros, distributed in 562,983,348 shares. The reported operating profit in 2016 was €4.54 billion based on revenue of €25.8 billion.

Liliane Bettencourt, the sole heir to L'Oréal and one of the richest women in the world, passed away at the age of 94.

On 16 March 2018, L'Oréal acquired Modiface, a beauty tech company specializing in augmented reality for makeup and hairstyle simulations, showcasing L'Oréal's commitment to innovation.

On September 22, 2020, a feature was published discussing the history of L'Oréal, a cosmetics company with controversial far-right origins. The article delves into the background of the company and its historical ties.

The new #AC75 racing ship, constructed in France, arrived in Barcelona on a Saturday. This marks a significant achievement for the Orient Express Racing Team, enabling them to practice with the boat they will use in the upcoming #AmericasCup in September.

L'Oréal announced a €1 million donation for relief support of Ukrainians affected by the 2022 Russian invasion of Ukraine.

Kiehl's showcases the importance of refills as an alternative to single-use plastics through the 'Single-Use Reflections' sculpture by Benjamin Von Wong on the High Line in New York City.

In March 2023, L'Oréal announced its investment in Genomatica (Geno), a biotechnology company, to develop and manufacture 'biotechnology-based alternatives' for cosmetic, personal care, and cleaning products.

In April 2023, L'Oréal bought Australian luxury cosmetics brand Aesop for US$2.53 billion.

In December 2023, L'Oréal announced its acquisition of the Danish research company Lactobio.

In January 2024, L'Oréal announced the acquisition of Gjosa, a Swiss Pioneering Water Conservation Tech Startup.

In February 2024, L'Oréal signed a long-term global licensing agreement with the Italian brand Miu Miu for luxury beauty products.

Kiehl's pledges to eliminate single-use plastic by 2030 by ensuring all products are designed to be re-used, refilled, or made of recycled materials.