2026-10-23 · BBC Business · English source

L'Oreal says weight loss drugs are impacting beauty and skincare sales

Real-world example for IB, A-Level, AP and IGCSE Economics essays: Supply, demand and prices, Elasticity, Firms' costs, profits and decisions

What happened

L'Oreal says the use of weight-loss drugs (GLP-1s) is affecting its beauty and skincare sales, with its CEO calling this "a very important phenomenon" for the company.

The economics

This illustrates how a change in demand affects a market: if consumers using GLP-1 drugs buy fewer beauty and skincare products, the demand curve shifts left, lowering the equilibrium price and quantity when supply is unchanged. Students can draw a supply-and-demand diagram showing a non-price factor (consumer preferences or health behaviour) shifting demand.

Evaluation

However, the actual impact on L'Oreal's revenue and profit depends on the price elasticity of demand for its products and whether it can adjust its product mix; a short-run sales change may not reflect a long-run trend, and other factors such as consumer confidence and competition also matter.

Practice question

Using the example of L'Oreal's sales being affected by weight-loss drugs, analyse how a change in consumer preferences affects the equilibrium price and quantity in the beauty products market, and discuss the role of price elasticity of demand.

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Where it fits in the syllabus

  • Supply, demand and prices: How a change in demand or supply in one market moves its equilibrium price and quantity.
  • Elasticity: How strongly quantity demanded or supplied responds to a change in price or income.
  • Firms' costs, profits and decisions: How firms decide output, prices and investment from their costs, revenue and competition.

中文版

发生了什么

欧莱雅表示,减肥药物(GLP-1类药物)的使用正在影响其美容和护肤品销售,其首席执行官称这一现象对公司“非常重要”。

经济学角度

这体现了需求变化如何影响市场:消费者使用GLP-1类药物后,对美容和护肤产品的需求可能下降,需求曲线左移,在供给不变时压低均衡价格和销量。学生可以画出该产品市场的供需图,说明非价格因素(消费者偏好或健康状况变化)如何移动需求曲线。

评估角度

不过,需求下降对欧莱雅收入和利润的实际影响取决于其产品需求的价格弹性以及公司能否调整产品结构;短期销售波动不一定代表长期趋势,其他因素如消费信心和竞争也会起作用。

练习题

结合欧莱雅销售受减肥药物影响的例子,分析消费者偏好变化如何影响美容产品市场的均衡价格和数量,并讨论需求价格弹性在其中的作用。

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