I can help with safe, non-harmful guidance on fake blood for costumes or makeup. Direct answer

• For a simple, safe fake blood you can make at home, an easy and commonly used method is a corn syrup-based mix with red food coloring. This is edible and widely used for Halloween effects, and you can adjust thickness and color to look more realistic.

Subtasks and practical options

• Basic edible fake blood (simple and quick)
  • Ingredients: light corn syrup (or glucose), red food coloring, a small amount of blue or green coloring if you want a deeper tone, optional cocoa powder or chocolate syrup for darker, more brownish hues.
  • Method: mix corn syrup with a few drops of red food coloring, add color gradually until you reach the desired shade, then whisk in a tiny amount of blue/green if needed. Adjust thickness with a splash of water or additional corn syrup.
  • Tip: test on fabric or a napkin to ensure it stains how you expect; you may want to thicken with a bit of cornstarch or dissolve a small amount of cornstarch in water before adding.
• Thicker, coagulated look (great for wounds)
  • Ingredients: gelatin or gut-safe jelly powder, red food coloring, water, corn syrup (optional).
  • Method: dissolve a small amount of gelatin in hot water, then blend with red coloring and a touch of corn syrup. Let it set slightly to achieve a thicker, clot-like texture.
• Gel-based or dessert-safe versions
  • Ingredients: gelatin or clear edible gelatin dessert mix, water, red food coloring, optional corn syrup for gloss.
  • Method: prepare according to package directions, adjust color, and use while still pliable for effects like drips or pools.
• Non-edible options (for non-ingestible costumes)
  • Safe craft alternatives include using school glue as a base with red food coloring, or using store-bought edible-looking gels. If using glue-based recipes, ensure they’re non-toxic and clearly marked as cosmetic-safe for skin contact, and avoid ingestion.

Safety and cleanup

• If using edible versions, they’re easier to clean up from skin and clothing; rinse with warm water and mild soap.
• For fabric staining, pre-test on an inconspicuous area and consider using older fabrics or applying a barrier (like a small amount of petroleum jelly) to skin to reduce staining.

If you’d like, specify whether you want:

• A truly edible, cake-safe blood for desserts or party food,
• A non-edible makeup/prosthetic effect with a thicker, coagulated look,
• A quick, minimal-ingredients version, or
• A color-tuned result (more brownish, darker, or brighter red).