Creating a weathered or eroded appearance on porcelain sculptures adds depth, history, and artistic intrigue. Here are the most common techniques used by artists and craftsmen to achieve this effect:

1. Chemical Aging: Acids or alkaline solutions can be applied to dissolve the glaze subtly, creating natural-looking wear. Vinegar, lemon juice, or specialized ceramic aging solutions are popular choices.

2. Mechanical Distressing: Tools like sandpaper, steel wool, or even small chisels are used to scratch, chip, or wear down edges and surfaces, mimicking years of use.

3. Dry Brushing: A light application of darker underglazes or oxides with a dry brush highlights raised areas, simulating accumulated dirt or oxidation.

4. Crackle Glazing: Special glazes that crack during firing create fine lines resembling age-induced fractures, enhancing the antique appearance.

5. Natural Patina Development: Burying porcelain in soil or exposing it to outdoor elements encourages organic weathering, though this method requires patience.

6. Layering Underglazes: Multiple layers of underglazes in contrasting colors, selectively removed or sanded, produce a stratified, time-worn look.

Each technique can be combined for more complex effects, allowing artists to tailor the level of erosion to their vision. Whether for decorative art or restoration projects, these methods bring porcelain sculptures to life with a sense of timelessness.