Functional-medicine doctors were right about some things years before the guidelines caught up. They’re not right about everything. This guide...
Functional-medicine doctors were right about some things years before the guidelines caught up. They’re not right about everything. This guide...
Updated October 2026 · By Steinder Weisen · Reading time: 7 minutes Key takeaways A syndet is a “synthetic detergent”...
Updated October 2026 · By Steinder Weisen · Reading time: 8 minutes Disclosure: Steinder Weisen makes skincare, including the Layland...
On a 13th-century court, and the Ancestral Science™ of remedies that travel In the early 1200s, an English monk named...
The Steinder Weisen Peptide Guide is a plain-language, evidence-rated guide to the peptides used in anti-aging skincare. It explains what...
In the sixteenth century, the Swiss physician Paracelsus wrote a line that pharmacologists still quote: the dose makes the poison....
Sleep becomes less predictable. Concentration feels harder. Your skin suddenly needs more moisture, while the routine you have used for...
The “glow from within” is often described as though it belongs only to naturally effortless skin. Yet very dry, sensitive,...
The Art of the Slug: Overnight Moisture Support for Dry, Menopausal Skin There is a particular kind of dryness that...
A routine that once left your skin looking smooth may begin to leave it feeling tight. During perimenopause and menopause,...
During perimenopause and menopause, a familiar skincare routine may begin to feel different. Skin can become drier, fine lines may...
Uneven texture can mean different things. Skin may feel rough to the touch, makeup may settle into dry patches, or...
Exfoliation can help improve the feel of rough texture and the appearance of dullness, but dry skin calls for a...
The transition into fall can reveal a change in what your skin needs. A lightweight routine that felt comfortable in...
A cream that once felt sufficient no longer lasts through the afternoon. Skin feels tight after cleansing, or a familiar...
During perimenopause, when skin may feel drier or more sensitive, giving morning and evening care distinct roles can help make...
A rich cream can soften skin and help reduce moisture loss, yet your skin may still feel dry if its...
How changing hormones affect skin hydration—and how to care for dry, dehydrated skin with a barrier-first routine. If your usual...
Join Waitlist
We will inform you when the product arrives in stock.
Please leave your valid email address below.