Material file · Clothes
Rayon and viscose: what it can take
Covers rayon, viscose and modal dresses and tops. Rayon can be wetted, but gently: dab, swish and press, never wring or scrub.
- Water
- Gently
- Max temperature
- 30 °C (86 °F)
- Rubbing
- Never
- Stain files
- 25
01 What it is
The fibre in rayon is cellulose (plant fibre such as cotton, linen or viscose), which tolerates most household cleaners, warm water and enzymes.
The fibre loses much of its strength when wet, so rubbing or wringing damages it.
It is delicate: short contact times and gentle handling matter as much as the product.
Its dyes are the limiting factor: anything that oxidises or strips colour must be tested first.
02 House rules
- Rayon can be wetted, but gently: dab, swish and press, never wring or scrub.
- No rubbing at all; every step is a press-and-lift.
- Soak only if the care label permits it and only for the product-labelled contact time; support the item when lifting it and avoid wringing.
- Water stays at or below 30 °C (86 °F) the whole way through.
03 Field notes
- Rayon is regenerated cellulose, not protein. Wet strength varies by fibre type and treatment; conventional viscose can weaken when wet, so avoid wringing and follow the care label.
- Some viscose fabrics shrink or distort during washing and drying. Modified rayon fibres such as modal and lyocell can behave differently.
04 Every cleaner, rated
| Cleaner | Verdict | Why |
|---|---|---|
| Acetone | Test first | No material-specific permission is established by this general entry. Check the exact item and product labels and pretest; if compatibility is unknown, consult the manufacturer or a professional. |
| Baking soda | Test first | No material-specific permission is established by this general entry. Check the exact item and product labels and pretest; if compatibility is unknown, consult the manufacturer or a professional. |
| Borax | Test first | No material-specific permission is established by this general entry. Check the exact item and product labels and pretest; if compatibility is unknown, consult the manufacturer or a professional. |
| Citrus adhesive remover | Test first | No material-specific permission is established by this general entry. Check the exact item and product labels and pretest; if compatibility is unknown, consult the manufacturer or a professional. |
| Cornstarch | Test first | No material-specific permission is established by this general entry. Check the exact item and product labels and pretest; if compatibility is unknown, consult the manufacturer or a professional. |
| Dish soap | Test first | No material-specific permission is established by this general entry. Check the exact item and product labels and pretest; if compatibility is unknown, consult the manufacturer or a professional. |
| Bio detergent | Test first | No material-specific permission is established by this general entry. Check the exact item and product labels and pretest; if compatibility is unknown, consult the manufacturer or a professional. |
| Enzyme cleaner | Test first | No material-specific permission is established by this general entry. Check the exact item and product labels and pretest; if compatibility is unknown, consult the manufacturer or a professional. |
| Household ammonia | Test first | Alkalis can change some dyes; test a seam. |
| Hydrogen peroxide 3% | Test first | It can lighten dyes; test on an inside seam and keep contact short. |
| Magic eraser | Test first | No material-specific permission is established by this general entry. Check the exact item and product labels and pretest; if compatibility is unknown, consult the manufacturer or a professional. |
| Oxalic acid cleanser | Test first | It can lighten dyes; test a seam. |
| Oxygen bleach | Test first | Colour-safe on most dyes; check a hidden seam with a dab of solution first. |
| Rubbing alcohol | Test first | Test first; some rayon dyes run with alcohol. |
| Steam cleaner | Test first | No material-specific permission is established by this general entry. Check the exact item and product labels and pretest; if compatibility is unknown, consult the manufacturer or a professional. |
| WD-40 | Test first | No material-specific permission is established by this general entry. Check the exact item and product labels and pretest; if compatibility is unknown, consult the manufacturer or a professional. |
| White vinegar | Test first | No material-specific permission is established by this general entry. Check the exact item and product labels and pretest; if compatibility is unknown, consult the manufacturer or a professional. |
| Hot water | Avoid | Rayon and viscose shrink and lose strength in hot water. |
| Lemon juice | Avoid | Lemon plus daylight bleaches dyed fabric unevenly. |
| Chlorine bleach | Never | It strips colour from dyed fabric. |
05 Stains on rayon
| Stain | Difficulty | Never |
|---|---|---|
| Sweat and yellow underarm stains | Specialist | Chlorine bleach, Hot water |
| Turmeric and curry | Specialist | Hot water, The dryer |
| Ballpoint ink | Tough | Hairspray, Rubbing |
| Berries | Tough | Bar soap, Hot water |
| Chocolate | Tough | Hot water, The dryer |
| Grease and cooking oil | Tough | The dryer, Rubbing |
| Lipstick | Tough | Rubbing, Hot water |
| Mascara and eyeliner | Tough | Rubbing, Hot water |
| Red wine | Tough | Hot water, Salt as a stain-removal substitute |
| Salad dressing | Tough | The dryer, Rubbing |
| Tomato sauce and ketchup | Tough | Hot water, The dryer |
| Blood | Stubborn | Hot water, The dryer |
| Breast milk | Stubborn | Hot water, The dryer |
| Butter | Stubborn | The dryer, Rubbing |
| Coffee | Stubborn | Hot water, Bar soap |
| Cola and soda | Stubborn | Hot water, The dryer |
| Foundation and concealer | Stubborn | Rubbing, Hot water |
| Gravy | Stubborn | Hot water, The dryer |
| Hair and body oil | Stubborn | The dryer, Rubbing |
| Matcha | Stubborn | Hot water, Bar soap |
| Perfume | Stubborn | The dryer, Ironing |
| Soy sauce | Stubborn | Hot water, The dryer |
| Tea | Stubborn | Hot water, Bar soap |
| Bronzer, blush and eyeshadow | Manageable | Water first, Rubbing |
| Deodorant marks | Manageable | The dryer, Chlorine bleach |
06 The most common mistakes on rayon
Counted across all 25 stain files for rayon:
- The dryer before it is gone (24 files). Dryer heat locks in whatever is left. Air-dry and check first.
- Hot water (17 files). Heat can make protein-containing stains harder to remove. Start cool on a washable item and avoid dryer or iron heat while a stain remains.
- Rubbing or scrubbing (14 files). Rayon and viscose is weak when wet; rubbing breaks fibres and leaves a pale, fuzzy patch.
- Bar soap or soap flakes (5 files). True soap is alkaline, and alkalis set tannin stains such as wine, coffee, tea and fruit.
- Chlorine bleach (3 files). Do not assume chlorine bleach is suitable for this stain or material. Follow the care label and product restrictions; it can remove dyes and damage fibres.
- Ironing over it (2 files). Heat browns leftover sugar and melts wax deeper into the fibres.
07 What the rayon files use most
These are the products the 25 stain files for rayon rely on most. Enzyme-free wool wash leads because surfactants have a water-loving end and an oil-loving end.
08 When to call a professional
Structured garments and anything dry clean only.
Specialist-rated stains on rayon: sweat stains and turmeric.