What is the most important factor in determining the safety of eyelash extension products?

The safety of eyelash extension products is primarily determined by the ingredients in the adhesive and aftercare products. Adhesives used for applying eyelash extensions often contain various chemicals, some of which can cause allergic reactions or skin irritations if the formulation is not safe. It's crucial for professionals to use high-quality products with safe ingredients to mitigate risks to clients' eye health and overall safety.

In addition, aftercare products also play a significant role; inappropriate or harsh ingredients can contribute to irritation or damage to natural lashes. It is essential for those in the practice to be aware of the formulations and choose products that comply with safety standards and regulations. This focus on ingredient safety ensures a better experience for clients and promotes health, making it the most critical factor in determining the safety of these products.