One of the search results is in Spanish, so I will focus on the remaining results to provide information about serum de pestañas.

• Lash Therapy Australia Lash Serum : This serum claims to use natural ingredients to deliver volume, thickness, and sheen for striking eyes. It extends the lash growth cycle, leading to longer lashes. The product is cruelty-free and comes in a 3ml bottle. The price is $53.00.

• Babe Lash Eyelash & Brow Enhancer Serum : This serum is made with powerful ingredients for natural, fuller, and longer-looking eyelashes. It is oil-free and safe to use with lash extensions and falsies. The price is not specified.

• COVERGIRL Lash Blast Lash & Brow Serum : This serum is infused with bamboo extract, biotin, peptides, and castor oil for thicker, fuller, and stronger lashes and brows. It is clinically proven to make lashes appear up to 24% longer in just 30 days. The product is formulated without parabens, sulfates, phthalates, mineral oil, fragrances, or dyes. It is vegan and cruelty-free.

• Eyelash Eyebrow Serum Natural Eyelash Support Organic : This serum is made with natural ingredients and claims to support natural eyelash growth. It is sold on Etsy India.

• The 10 Best Eyelash Growth Serums of 2023, Tested and Reviewed : This article reviews the top 10 eyelash growth serums of 2023. One of the serums reviewed, the Twenty Twenty Beauty Get Growing Lash & Brow Serum, contains only three natural ingredients: castor oil, coconut oil, and argan oil.

Overall, the search results show that there are several serums de pestañas available that claim to use natural ingredients to enhance lash growth. Some of the products are cruelty-free and vegan, and some are formulated without certain chemicals. The prices of the products vary.