Wondering what the difference is between Lyocell and cotton? Which fabric is right for you? We get this question a lot, and the honest answer is: It depends. Both fabrics have their strengths. Here's everything you need to know.
Finding the perfect underwear shouldn't be complicated. You want a fabric that feels wonderful, lasts a long time, and whose production you can trace. The problem: Lyocell and organic cotton are both great, and both have different advantages.
In this article, we'll explain honestly and without marketing promises what matters with both fabrics, so you can make the best decision for yourself.
What is Lyocell (TENCEL)?
Lyocell is a regenerated cellulose fibre, made from wood, mostly from sustainably managed forests. This matters: the raw material comes from a renewable resource, not from crude oil like synthetic fibres.
Just want to know what lyocell actually is, without the cotton comparison? Read our in-depth lyocell material guide.
Wood fiber with a closed-loop system: The special feature of Lyocell is its manufacturing process. The fabric is produced in a closed-loop system, over 99% of the chemicals are reused. TENCEL is the brand name among Lyocell fibers, produced under particularly strict standards.
Lyocell. The Advantages:
- Incredibly soft, silky
- Smooth surface, less friction
- Temperature regulating
- Ideal for sensitive skin
Lyocell. The Disadvantages:
- Higher price
- Less robust than cotton
- Requires more careful care
What is Organic Cotton?
Organic cotton (certified organic farming, kbA in German) is cotton grown without synthetic pesticides and fertilizers. Strict standards apply to organic cotton: no genetic engineering, no chemical fertilizers, no use of problematic pesticides.
Plant fiber with organic cultivation: This protects the soil, water, and workers in the fields. Organic cotton is a significant difference from conventional cotton, which is usually heavily treated with chemicals.
Organic Cotton (kbA). The Advantages:
- Robust and durable
- Becomes softer with every wash
- Universally compatible
- Better price-performance ratio
Organic Cotton (kbA). The Disadvantages:
- Absorbs sweat more, dries slower
- Slightly grippier feel
- Not quite as silky soft
Lyocell vs. Cotton in Direct Comparison
| Property | Lyocell (TENCEL) | Organic Cotton (kbA) |
|---|---|---|
| Feel | Silky soft, smooth surface | Warmer, grippier, gets softer over time |
| Moisture Management | Excellent, temperature regulating | Good, but absorbs sweat more |
| Durability | Good, requires gentle treatment | Very robust, gets better with age |
| For sensitive skin | Smooth fibre surface, little friction | Well tolerated, but rougher fiber surface |
| Sustainability | Closed-loop system, low water use | Ecological cultivation, but more water |
| Price | Higher | Moderate to medium prices |
| Care | Wash gently, do not spin | Easy, robust in washing |
Result: There is no clear winner. Lyocell scores points for skin feel and moisture management, cotton for durability and price. It depends on your priorities.
Which fabric is better for sensitive skin?
To be honest: Lyocell wins here. The smooth surface and lack of friction make Lyocell the first choice for truly sensitive or irritated skin.
However: Organic cotton is also a solid option. Many people with sensitive skin enjoy wearing organic cotton underwear. The decisive factor is often not the fabric alone, but also the workmanship. Flat seams, no annoying labels, and high-quality craftsmanship make all the difference.
Sustainability Compared
This is where it gets interesting, because both fabrics have their advantages:
Lyocell
The closed loop means less water consumption and fewer chemicals in the environment: Lenzing states a solvent recovery rate of over 99% for TENCEL Lyocell. However, the raw material (wood cellulose) has to be transported. The footprint also depends on where the wood comes from.
Organic Cotton
Organic cotton is more sustainably grown: no pesticides, better soil, better conditions for workers. However, organic cotton cultivation still uses a lot of water. But the difference to conventional cotton is significant.
Bottom line: Both fabrics are more sustainable than conventional alternatives. If the production process is more important to you, choose Lyocell. If cultivation is more important to you, choose organic cotton (kbA). Even better: combine both in your underwear mix.
Choose the fabric that suits you
Lyocell and organic cotton are both excellent choices for high-quality underwear. There's no clear winner. It depends on your personal priorities:
Choose Lyocell
If you want maximum softness, have very sensitive skin, or sweat a lot at night.
Choose Organic Cotton
If you prefer durable, uncomplicated underwear and have a tighter budget.
Choose a Mix
If you're not sure. This way you can try both fabrics and find out what you like better.
Both fabrics at erlich textil
At erlich textil you will find quality underwear in both fabrics. Lyocell is in our Light Touch Basics, organic cotton (kbA) in the Casual Cotton Basics. Choose whichever feels better for you.
There is no "best", only what feels best to you.
Frequently asked questions about Lyocell and cotton
Lyocell or cotton: which is better for underwear?
There is no blanket winner. Lyocell offers a silky smooth surface, strong moisture management and works well for sensitive skin. Organic cotton (kbA) is more robust, gets softer with every wash and is usually more affordable. For everyday wear and durability kbA is strong, for maximum comfort against the skin choose Lyocell.
Which fabric is better if you sweat easily?
Lyocell absorbs moisture and releases it quickly, it feels dry and helps regulate temperature. Organic cotton soaks up sweat more and dries slower. If you sweat a lot during the day or at night, Lyocell is usually the better pick.
Is Lyocell more sustainable than cotton?
Both are more sustainable than conventional fibres. Lyocell is made in a closed loop with very little water and reused solvents. Organic cotton (kbA) is grown without synthetic pesticides but uses more water in cultivation. Which one is more sustainable for you depends on whether the production process or the farming matters more to you.
Does Lyocell have any downsides?
Yes. Lyocell is usually pricier than cotton, a little less robust and prefers a gentle wash. If you want low-maintenance, very hard-wearing basics, organic cotton (kbA) is often the better choice.
How do I care for Lyocell and cotton correctly?
Wash Lyocell gently at a low temperature and avoid a strong spin. Organic cotton is more robust and handles normal washing well. When in doubt, always check the care label of the specific style, as fabric blends can carry different instructions.
