Lemon juice is the acidic, sour, and nutrient-rich liquid extracted from the yellow fruit of the citrus tree (Citrus limon).
These are the 9 best retinol eye creams we tested this year, from brands like First Aid Beauty, RoC, Murad, and Paula’s Choice.
When formulas, standard rules, and shortcuts are already clear in the mind, students can immediately focus on solving the question rather than struggling with the basics.