1. Primer: Helps create a smooth base for makeup application and prolongs its wear.
2. Foundation or BB Cream: Provides even skin tone and coverage. Choose a formula that suits your skin type (e.g., matte for oily skin, hydrating for dry skin).
3. Concealer: Covers blemishes, dark circles, and any imperfections.
4. Setting Powder: Sets your makeup in place and reduces shine, especially in the T-zone.
5. Blush or Bronzer: Adds dimension and color to the face. Choose one or both based on your preference.
6. Highlighter: Adds a subtle glow to the high points of your face, like cheekbones and brow bones.
7. Eyeshadow Palette: Opt for a versatile palette with a mix of neutral and bold shades for various looks.
8. Eyeliner: A pencil, gel, or liquid eyeliner to define your eyes.
9. Mascara: Lengthens and volumizes your lashes for an eye-opening effect.
10. Brow Products: Brow pencil, powder, or gel to fill in and shape your brows.
11. Lipstick/Lip Gloss: A range of lip colors for different occasions, including nudes, pinks, reds, and more.
12. Makeup Brushes and Tools: Essential brushes for foundation, blush, eyeshadow, and blending. A beauty blender or makeup sponge is also helpful.
13. Setting Spray: Locks in your makeup and helps it last longer throughout the day.
14. Makeup Remover: Cleansing wipes, micellar water, or makeup remover for taking off your makeup.
15. Cotton Swabs and Makeup Wipes: Useful for touch-ups and fixing mistakes.
16. Tweezers: For maintaining your brows and removing any stray hairs.
17. Lash Curler: Opens up your eyes and gives your lashes a natural curl.
18. Compact Mirror: Handy for on-the-go touch-ups.

Remember, the key is to tailor your makeup bag to your personal style and needs. If you have specific skincare concerns, you might also want to include products like a hydrating mist, SPF, or a mattifying primer. Additionally, if you have allergies or sensitivities, be sure to choose products that are hypoallergenic and non-comedogenic.